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Optics Expert Witnesses

Optical technology underpins products and industries ranging from fiber optic networks and semiconductor lithography to displays, lighting, lasers, imaging sensors, and medical devices. Because these technologies are heavily patented and commercially valuable, disputes frequently involve infringement and validity of patents covering lasers, VCSELs, optical films, LEDs, and imaging systems. Companies also litigate trade secret misappropriation involving optical designs, supply and development agreements for components that failed to meet specifications, and product performance claims that depend on measured optical properties. The core question is how light is generated, guided, detected, or manipulated in the technology at issue, and whether that operation matches what a patent claim, contract, or specification requires.

An optics expert helps counsel translate optical physics into evidence that can be tested and explained. In patent matters, the analysis often involves reviewing optical designs, simulation files, product teardowns, and measurement data to determine whether an accused device practices each claim element, as well as evaluating prior art that may bear on validity. In supply and performance disputes, the expert can assess whether components met specifications for parameters such as wavelength, power, efficiency, resolution, or reliability, and whether a failure originated in design, materials, or manufacturing. Where trade secrets are at issue, optical engineers can compare designs and development records to distinguish independent development from use of protected information. That work supports opinions on infringement, breach, causation, and damages, and it equips counsel to challenge measurements or simulations that do not reflect how the device actually operates.

Optics encompasses lasers, fiber communications, imaging, displays, lighting, and photolithography, and an expert's value depends on hands-on experience with the specific technology in dispute. Our network includes optical engineers and physicists who have testified on photolithography, optical resolution, VCSELs, LEDs, displays, and fiber optic systems, and inventors holding numerous patents in lasers, optical communications, and biophotonics. Many are senior members of professional societies such as Optica, formerly OSA, and SPIE, and their achievements include federal research funding from NASA and the National Science Foundation and induction into the Space Technology Hall of Fame. Round Table Group has completed more than 75,000 expert searches and brings that experience to identifying the optics specialist whose background matches your technology and claims. Reach out to discuss the optics issues in your case by calling us at (202) 908-4500.

Kinds of Cases We Work On

Round Table Group helps our clients find a wide variety of Optics expert witnesses for cases like:

01

Fiber Optic Attenuation Defect Cripples Network.

A regional telecommunications carrier sued the fiber optic cable manufacturer supplying a major network expansion, alleging a manufacturing defect caused signal attenuation well above specification across a substantial share of the installed cable, degrading network performance. We identified experts with experience in fiber optic cable manufacturing quality control, optical attenuation testing methodology, and telecommunications network performance analysis. The experts found the defective cable's core-cladding interface showed a manufacturing inconsistency traceable to a specific production run, supporting the carrier's breach of contract claim and anchoring a settlement covering the cable replacement costs.
02

Defective Lens Coating Triggers Product Recall.

An eyewear lens manufacturer sued the optical coating supplier applying anti-reflective coatings to its lenses, alleging a defective coating process caused premature delamination across a large share of finished product, forcing a costly recall. We identified experts with experience in optical thin-film coating engineering, coating adhesion testing methodology, and optical product quality investigation. The experts found the coating chamber's vacuum pressure had drifted outside the process specification during the affected production runs without triggering the supplier's monitoring alarms, supporting the manufacturer's breach of contract claim and anchoring a settlement covering the recall costs.
03

Laser Power Defect Disrupts Cutting Quality.

An industrial fabrication company sued the manufacturer of its high-power laser cutting system, alleging a defect in the laser's power delivery caused inconsistent cut quality across a large share of production, generating significant scrap and customer rejections. We identified experts with experience in industrial laser systems engineering, laser power output calibration, and manufacturing quality defect root-cause analysis. The experts found the laser's beam delivery optics had a degrading alignment issue traceable to a component the manufacturer's own maintenance schedule should have flagged for replacement, supporting the fabrication company's breach of warranty claim and anchoring a settlement covering the scrap and rework costs.
04

Camera Optical Defect Fails Surveillance Contract.

A security systems integrator sued the camera manufacturer supplying units for a large commercial surveillance contract, alleging an optical defect caused image quality to fall well short of the contract's resolution and low-light performance specifications. We identified experts with experience in optical imaging systems engineering, camera lens and sensor performance testing, and surveillance system specification compliance. The experts found the camera's lens assembly had a focus tolerance inconsistent with the manufacturer's published specification sheet, supporting the integrator's breach of contract claim and anchoring a settlement covering the equipment replacement costs.
05

Prescription Lens Defect Triggers Eyewear Recall.

An eyewear retailer sued its prescription lens supplier after a manufacturing defect caused a substantial share of a production batch to be ground with an optical power deviation outside the tolerance the prescriptions specified, forcing a recall. We identified experts with experience in ophthalmic lens manufacturing quality control, optical power measurement standards, and prescription lens fabrication testing. The experts found the affected batch had been processed on a grinding machine that had gone out of calibration without triggering the supplier's routine quality checks, supporting the retailer's breach of contract claim and anchoring a settlement covering the recall costs.
06

LiDAR Calibration Defect Causes Detection Failures.

An autonomous vehicle developer sued the LiDAR sensor supplier providing perception hardware for its test fleet, alleging a calibration defect caused a pattern of object detection failures during testing that delayed the development program. We identified experts with experience in LiDAR optical sensor engineering, sensor calibration methodology, and autonomous perception system validation. The experts found the sensor's beam steering calibration drifted under a specific temperature range the vehicle's actual test environment regularly encountered, a condition the supplier's own qualification testing never covered, supporting the developer's breach of contract claim and anchoring a settlement covering the program delay costs.
07

Lithography Optics Aberration Costs Chipmaker Yield.

A semiconductor manufacturer sued the supplier of its photolithography optics system, alleging an optical aberration in the lens assembly caused a sustained decline in production yield across several critical process layers. We identified experts with experience in semiconductor lithography optics engineering, optical aberration measurement methodology, and fabrication yield root-cause analysis. The experts found the lens assembly exhibited a field curvature deviation outside the supplier's specified tolerance, directly correlating with the yield decline pattern observed across the affected process layers, supporting the manufacturer's breach of contract claim and anchoring a settlement covering the yield losses.
08

Night Vision Optics Miss Field Specifications.

A defense contractor sued the optics subcontractor supplying night vision devices for a military equipment program, alleging the delivered units failed to meet contracted detection range specifications during field testing. We identified experts with experience in night vision and image intensification optics engineering, defense optics testing standards, and field performance validation methodology. The experts found the subcontractor's image intensifier tubes had a photocathode sensitivity below the specification the contract required, explaining the shortfall in detection range, supporting the contractor's breach of contract claim and anchoring a settlement covering the replacement units.
09

Endoscope Optics Defect Sparks Device Recall.

A medical device manufacturer sued the optics supplier providing imaging components for its endoscope product line, alleging a defect in the optical fiber bundle caused image quality degradation that forced a product recall. We identified experts with experience in medical endoscopic optics engineering, fiber optic bundle manufacturing quality, and medical device imaging performance testing. The experts found a substantial share of the affected bundles had a fiber breakage rate well above the supplier's specified tolerance, traceable to a change in the bundle's manufacturing adhesive, supporting the manufacturer's breach of contract claim and anchoring a settlement covering the recall costs.
10

Telescope Mirror Defect Shortfalls Performance Specs.

A research consortium sued the optics fabrication subcontractor that produced the primary mirror for a new observatory telescope, alleging a surface figure defect caused the completed instrument to fall short of its contracted resolution specifications. We identified experts with experience in precision optics fabrication, mirror surface figure metrology, and astronomical instrument performance testing. The experts found the mirror's surface figure deviated from the specified tolerance in a pattern consistent with a polishing process error identified in the subcontractor's own quality records, supporting the consortium's breach of contract claim and anchoring a settlement covering the mirror refabrication costs.

Here are a few of our favorite Optics Expert Witnesses:

California Flow Cytometry, Hematology, Optics Expert 48211

This sample expert has over 25 years of experience and specialization in optics, with specific knowledge in flow cytometry, cell sorting, and hematology analysis. This expert has been issued 19 patents in optics, lasers, microfluidics, and biophotonics (17 more pending), as well as professional awards. This expert is a senior member of both OSA and SPIE. Founded and runs a design, consulting, and product development firm, and cofounded a design automation software company, both in Silicon Valley. Published on subjects from flow cytometry to optical design, and I teach courses on these subjects.

 

Colorado Optics, Lighting, Wireless Expert #9431

I have 30 years of experience, and specialize in the field of electrical engineering with specific knowledge in the area of optoelectronics, displays, wireless devices, and consumer electronics. I have published on such topics as semiconductor lasers, photo detectors, crystal growth, light emitting diodes, information displays, consumer electronics, organic light emitting diodes, and active matrix organic light-emitting diode displays.

 

Louisiana Materials Science, Light, Optics Expert #17070

I have 11 years of experience, and specialize in the field of physics with specific knowledge in the areas of spectroscopy, instrumentation and biological and solid state materials. I have published on such topics as protein dynamics, hydrogen storage in metals and computational modeling. I am adaptable to many scientific disciplines as shown by my switch from solid materials physics to biological physics.

 

Ohio Light, Lamps, Optics, Patents Expert #17899

I have 50 years of experience in the field of lighting, with specific knowledge of light sources, optics and light and human health. I have published on such topics as light source patents. I have testified on patent infringement, bodily injury and patent interference cases.

 

New York Photonics, Optics, Laser Expert #18204

I have 15 years of experience, and specialize in the field of physics with specific knowledge in the areas of photonics, optoelectronics and lasers. I have published on such topics as propagation of light in various media, microresonators and statistical properties of physical systems. I have testified on mathematical modeling of car motion.

 

Your Case Deserves The Best Optics Expert Witnesses

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The right expert witnesses and consulting experts can make your case. That’s why we have spent so many hours over the past quarter century making sure our clients have just the right expert team — whether one expert or many, early-stage advice or expert reports and testimony. Across over 50,000 expert search assignments, we have honed a unique, customized approach to identifying, analyzing and connecting with expert talent so you can focus on winning your case.

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Ohio Liquid Crystal Displays, Optics Expert #18445

I have 40 years of experience, and specialize in the field of polymers and liquid crystals with specific knowledge in the areas of electro optics, quantum chemistry and non-linear optics. I have published on such topics as liquid crystal displays, localization of light and liquid crystal surface effects.

 

Oregon Semiconductors, Optics, Energy Expert #19789

I have 40 years of experience and specialize in the field of semiconductor devices, with specific knowledge of high-k gate dielectrics, solar cells and optical spectroscopy. I have published on such topics as spectroscopic ellipsometry, nanostructures and solar cells.

 

Alabama Optics, Laser Sciences Expert #19875

I have 15 years of experience and specialize in the field of physics, with specific knowledge of optics, laser sciences and fiber-optics. I have published on such topics as pulse generation with fiber lasers, nonlinear effects in semiconductor and ultra-high precision lasers.

 

Pennsylvania Fluorescence, Imaging, Optics Expert #20331

I have 37 years of experience and specialize in the field of biophysics, neuroscience and physiology, with specific knowledge of microscopy, fluorescence, optics and light scattering. I have published on such topics as neural networks, optical measurement and recording of neural activity. I have testified on fluorescence microscopy and light scattering.

 

Texas Cell Biology, Calcium, Optics Expert #21005

I have 25 years of experience and specialize in the field of cell biology, with specific knowledge of fluorescence, T cell biology and microscopy. I have published on such topics as T cells, microscopy and synthesis of fluorescent molecules.

 

Texas Nanoscience, Optics, Photonics Expert #21062

I have 17 years of experience, and specialize in the field of optics and plasma science with specific knowledge in the areas of optics and communications, electromagnetics and metamaterials. I have published on such topics as optical nanostructures, fiber optics and electromagnetics.

 

Illinois Photonics, Lasers, Optics Expert #26105

I have 20 years of experience, and specialize in the field of photonics and electro-optics with specific knowledge in the areas of optics, lasers and nonlinear optics. I have published on such topics as solid-state laser design, nonlinear optics and optical instrumentation. I have testified on light illumination.

 

North Carolina Semiconductor, Optics Expert #28256

I have 20 years of experience in the field of electrical engineering, with specific knowledge in the areas of photogenic, semiconductor devices, and semiconductor fabrication technologies. I have published on such topics as semiconductor devices (photogenic and electronic), fabrication and integration technologies, including bonding and sensing systems. I have testified on LEDs, wafer, metallic, and adhesive bonding and LED fabrication technologies.

 

Texas Optics Expert #28766

I have 12 years of experience, and specialize in the field of optics with specific knowledge in the areas of fiber optics, lasers and cable television. I have published on such topics as laser diodes, epitaxy and fiber optic communications. I have 7 issued US patents in the areas of laser diodes, semiconductor lasers, and optical communications.

 

North Carolina Optics Expert #29322

I have 30 years of experience, and specialize in the field of optics with specific knowledge in the areas of lasers, weapons and astronomy. I have published on such topics as adaptive optics, laser beam propagation, and optical communication systems.

 

Ohio Optics, Electronics, Lasers Expert #29991

I have 30 years of experience, and specialize in the field of optics and electronics with specific knowledge in the areas of displays, fiber optic communication and electrical devices. I have published on such topics as fiber optic communication, optics and electronics and signal processing. I have testified 15 times on topics such as displays, fiber optic systems and communication technology.

 

Arizona Optics Expert #31027

I have 20 years of experience, and specialize in the field of optics with specific knowledge in the areas of imaging systems, adaptive optics, and image processing. I have published on such topics as image processing, astronomical imaging techniques, and adaptive optics. I analyze and characterize imaging sensor systems.

 

California Lasers, Optics, Photonics Expert #31322

I have 30 years of experience and specialize in the field of photonics, with specific knowledge of lasers, nonlinear optics and photonic devices. I have published on such topics as laser physics and engineering, ultrafast processes and optical communications.

 

California Optics, Lasers, Imaging Expert #31650

I have 35 years of experience, and specialize in the field of optics with specific knowledge in the areas of lasers, imaging and optical fibers. I have published on such topics as medical imaging, nonlinear optics and optical fibers and microscopy. I have testified on photolithography, imaging and optical resolution. I especially enjoy the detective work required in intellectual property cases. I’ve been teaching undergraduates and graduate students for many years, and I can present and explain complicated subjects clearly and simply.

 

New York Optics, Vision Correction Expert #31925

I have 11 years of experience and specialize in the field of physiological optics, with specific knowledge of wavefront sensing, vision correction and medical imaging.

 

New York Lasers, Optics Expert #32373

I have 28 years of experience, and specialize in the field of physics with specific knowledge in the areas of optical, atomic and molecular, laser cooling and trapping and art conservation. I have published on such topics as atomic, molecular physics, nuclear physics and teaching nanotechnology.

 

New York Electromagnetism, Optics Expert #32939

I have 20 years of experience in the field of applied mathematics, with specific knowledge of nonlinear waves, optical fibers and lasers.

 

California Optics, Spectrometry Expert #35524

I have 30 years of experience, and specialize in the field of optical spectroscopy with specific knowledge in the areas of laboratory measurement, program development and grant proposal writing. I have published on such topics as optical measurements of excited states, optical instrumentation design and development and biophysical measurements and experiments. I have received over one million dollars in federal research grants (NASA and NSF).

 

Massachusetts Optics, Lasers, Biophysics Expert #35903

I have 25 years of experience, and specialize in the field of optical physics with specific knowledge in the areas of lasers, materials and biophysics. I have published on such topics as nonlinear optics, ultrashort laser pulses and micromachining.

 

California Pattern Recognition, Optics Expert #36099

I have 28 years of experience and specialize in the field of pattern recognition, with specific knowledge of computer vision, image processing and image analysis.

 

Connecticut Microscopy, Imaging, Optics Expert #36178

I have 12 years of experience, and specialize in the field of microscopy with specific knowledge in the areas of live cell imaging, novel instrumentation and optics. I have published on such topics as advanced imaging, novel probes and image processing and analysis.

 

Camera, Telescope, Optics Expert #36798

I have 20 years of experience in the field of astronomy, with specific knowledge of instrumentation, photonics, and high technology. I have published on such topics as electron multiplying charge coupled device (EMCCD), new instruments in PASP, and science development in Africa.

 

Massachusetts Optics, Laser, Physics Expert #39901

I have 25 years of experience, and specialize in the field of nonlinear and quantum optics with specific knowledge in the areas of single-photon detection, correlation spectroscopy and microscopy. I have published on such topics as quantum optics, nonlinear optics and secure communication.

 

Semiconductors, Optics, Lasers Expert #42164

I have 15 years of experience, and specialize in the field of physics with specific knowledge in the areas of optics, semiconductior nanostructures and laser spectroscopy. I have published on such topics as optical properties of nanostructures, biosensing and microscopy.

 

Illinois Optics, Optical Films Expert #42213

I have 20 years of experience, and specialize in the field of optics with specific knowledge in the areas of optical films, LED lighting and optical patents. I have published on such topics as LED light fixtures, optical films and displays.

 

Minnesota Optics, Physics, Lasers Expert #43263

I have 18 years of experience, and specialize in the field of atomic physics with specific knowledge in the areas of lasers, atomic spectroscopy and medical imaging. I have published on such topics as lasers, atomic spectroscopy and medical imagingI demonstrate a diverse set of experimental skills and have worked with both traditional tools of atomic physics, and non-traditional tools such as modeling the ionization of hydrogen using ultrasound.

 

Tennessee Polymer, Plastic, Optics Expert #45474

I have 15 years of experience, and specialize in the field of chemical engineering with specific knowledge in the areas of polymer science, materials Processing and optics. I have published on such topics as impact modification and toughness, breathable or barrier films and material optics and liquid crystal displays. During my career I have exercised my gifts of creativity, often resulting in an invention. Through this, I’ve developed a passion for intellectual property and patent law. Currently I have over 21 issues (U.S.) patents, and am intent on obtaining my patent agents license. This is an unusual combination amoung my…

 

California Wireless, Cellular, Optics Expert #45684

I have 35 years of experience, and specialize in the field of communications with specific knowledge in the areas of wireless, fibre optics and networking. I have testified on trade secrets. I built and led the design team and then the company to capture 70% market share in the enterprise networking business, raised $250 million dollars and ultimately listed on the New York Stock Exchange.

 

Texas Optics, Analysis, Design, System Expert #47536

I have 40 years of experience, and specialize in the field of digital imaging with specific knowledge in the areas of imaging hardware, image processing and image analysis. I have published on such topics as digital imaging system design, medical image processing and image enhancement. I have testified on digital cameras, image processing software and image displays. I have been honored to be in the Space Technology Hall of Fame in recognition of my work in biomedical image processing.

 

Colorado Fiber Optics and VCSEL Expert #47891

I have 30 years of experience and specialize in the field of optics with specific knowledge in the areas of lasers, vertical-cavity surface-emitting lasers and transceivers. I have published on such topics as vertical-cavity surface-emitting lasers, fiber communication and ethernet. I have testified on vertical-cavity surface-emitting lasers, fiber communications and business agreements.

 

California Lasers, Medicine, Optics Expert #52250

I have 20 years of experience, and specialize in the field of medical laser device development with specific knowledge in the areas of laser design, ophthalmology and dermatology. I have published on such topics as femtosecond laser applications, ophthalmic surgery and dermatologic laser treatments. I’m part of a team that still holds the world record for smallest hole ever drilled with a femtosecond laser!

 

Put Our Optics Expert Network to Work for You

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Our huge network of experts – eminent university professors and practitioners who have achieved renown as thought leaders in their fields – combined with unparalleled research capabilities puts the experts you need at your disposal when and where you need them.

If you’re a litigator or general counsel, we want to put this network to work for you and your clients. Let us know how we can help by calling us at (202) 908-4500 or filling out the form on this page. We’re so confident you’ll love what we do that unless you retain an expert we present there’s no charge!

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Questions Attorneys Ask About Optics Expert Witnesses:

An optics expert is warranted when a claim or defense depends on how an optical component or system works or performs. Typical matters include patent disputes over lasers, fiber optics, displays, LEDs, imaging systems, and lithography equipment, along with trade secret claims and supply disputes over optical components. Early involvement allows counsel to plan testing and teardown work that will withstand scrutiny.
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