Coherent Corp. develops, manufactures, and markets engineered materials, optoelectronic components and devices, and optical and laser systems and subsystems for the use in the industrial, communications, electronics, and instrumentation markets worldwide. It operates through three segments: Networking, Materials, and Lasers. The Networking segment offers telecommunication products for fiber-optic transmission; datacom transceivers, including pluggable transceivers for ethernet and fiber channel applications; and advanced optics, such as fiber and precision optics used in projection displays, crystal materials and components for optical communications, filters and assemblies for life sciences, sensors, instrumentation, and semiconductor equipment, as well as ultraviolet (UV), visible, and near-infrared spectroscopy optics for industrial lasers. The Materials segments provides laser optics and accessories; infrared thermal imaging optics and assemblies; polycrystalline materials; thermoelectric components, subassemblies, and systems; ceramic and metal-matrix composite products; semiconductor lasers and laser bars; Q-switched laser modules, uncooled pump laser modules, and laser systems for superhard materials processing; laser processing heads and beam delivery systems; EELs, VCSELs, and detectors; pumps for amplifiers; precision optical assemblies, infrared optics, thin-film coatings and optical materials; optical solutions; and integrated circuits for transceivers. The Lasers segment offers UV gas and solid-state lasers; UV optical systems, line beams, and mask-based imaging systems; UV nanosecond lasers; continuous-wave lasers and systems; amplifiers; subsystems and standard systems; IR lasers; crystals and diode lasers, and specialty polishing and coating solutions. The company was formerly known as II-VI Incorporated and changed its name to Coherent Corp. in September 2022. Coherent Corp. was incorporated in 1971 and is headquartered in Saxonburg, Pennsylvania.

Novanta Inc., together with its subsidiaries, provides precision medicine and manufacturing, medical solutions, and robotics and automation solutions in the United States and internationally. The company operates through three segments: Precision Medicine and Manufacturing, Medical Solutions, and Robotics and Automation. The Precision Medicine and Manufacturing segment offers photonics-based solutions, including laser scanning, beam delivery, CO2 laser, solid state laser, ultrafast laser, and optical light engine products serving photonics-based applications for industrial processing, metrology, medical and life science imaging, DNA sequencing, and medical laser procedures. The Medical Solutions segment provides a range of medical grade technologies, including medical insufflators, pumps, and related disposables; visualization solutions; wireless technologies, video recorders, and video integration technologies for operating room integrations; optical data collection and machine vision technologies; radio frequency identification technologies; thermal chart recorders; spectrometry technologies; and embedded touch screen solutions. The Robotics and Automation segment offers optical and inductive encoders, precision motors, servo drives and motion control solutions, integrated stepper motors, intelligent robotic end-of-arm technology solutions, air bearings, and air bearing spindles. The company sells its products through its direct sales force and distributors under the Cambridge Technology, Synrad, Laser Quantum, ARGES, WOM, NDS, Med X Change, Reach Technology, JADAK, ThingMagic, Photo Research, General Scanning, ATI Industrial Automation, Celera Motion, IMS, MicroE, Applimotion, Zettlex, Ingenia, and Westwind brands. The company was formerly known as GSI Group, Inc. and changed its name to Novanta Inc. in May 2016. Novanta Inc. was incorporated in 1968 and is headquartered in Bedford, Massachusetts.

Lumentum Holdings Inc. manufactures and sells optical and photonic products in the Americas, the Asia-Pacific, Europe, the Middle East, and Africa. The company operates through two segments: Cloud & Networking and Industrial Tech. The Cloud & Networking segment offers components, modules, and subsystems to support the high-speed transmission of data over high-capacity fiber optic links in cloud data center, AI/ML, enterprise and communications services networking applications that enable the transmission and transport of data, video, and audio over high-capacity fiber-optic cables. It offers high-speed transceivers, reconfigurable optical add/drop multiplexers, coherent dense wavelength division multiplexing pluggable transceivers, and tunable small form-factor pluggable transceivers. We also sell laser chips for use in high-speed datacom transceivers and data interconnection solutions. The Industrial Tech segment offers solid-state lasers, kilowatt-class fiber lasers, ultrafast lasers, diode lasers, and gas lasers, as well as laser diode products. It serves to customers in semiconductor device, solar cell, display, electric vehicle, and battery manufacturing markets, as well as broader materials processing and precision micromachining end-markets. Lumentum Holdings Inc. was incorporated in 2015 and is headquartered in San Jose, California.

IPG Photonics Corporation develops, manufactures, and sells various high-performance fiber lasers, fiber amplifiers, and diode lasers used in various applications primarily in materials processing worldwide. Its laser products include hybrid fiber-solid state lasers with green and ultraviolet wavelengths; fiber pigtailed packaged diodes and fiber coupled direct diode laser systems; high-energy pulsed lasers, multi-wavelength and tunable lasers, and single-polarization and single-frequency lasers; and high-power optical fiber delivery cables, fiber couplers, beam switches, chillers, scanners, and other accessories. The company also offers integrated laser systems; LightWELD, a handheld laser welding system; 2D compact flat sheet cutter systems and multi-axis systems for fine welding, cutting, and drilling; welding seam stepper and picker, a fiber laser welding tool; high precision laser systems; specialized fiber laser systems for material processing applications; robotic and multi-axis workstations for welding, cutting and cladding, flatbed cutting systems, and diode markers; and laser and non-laser robotic welding and automation solutions. It serves materials processing, communications, medical procedures, and advanced applications and communications markets. The company markets its products to original equipment manufacturers, system integrators, and end users through direct sales force, as well as through agreements with independent sales representatives and distributors. IPG Photonics Corporation was founded in 1990 and is headquartered in Marlborough, Massachusetts.

Lightwave Logic, Inc. focuses on the development of photonic devices and electro-optical polymer materials systems for fiber-optic data communications, telecommunications, and optical computing markets in the United States. The company is involved in the designing and synthesizing of organic chromophores for use in its electro-optic polymer systems and photonic device designs. It also offers electro-optic modulators, which converts data from electric signals to optical signals for transmission over fiber-optic cables; and polymer photonic integrated circuits, a photonic device, which integrates various photonic functions on a single chip. In addition, the company provides the ridge waveguide modulator, a modulator that fabricates the waveguide within a layer of its electro-optic polymer system. It focuses on selling its products to electro-optic device manufacturers, contract manufacturers, original equipment manufacturers, foundries, packaging and assembly manufacturers, etc.; and semiconductor companies, optical network companies, Web 2.0/3.0 media companies, computing companies, telecommunications companies, aerospace companies, automotive companies, and government agencies and defense entities. The company was formerly known as Third-order Nanotechnologies, Inc. and changed its name to Lightwave Logic, Inc. in March 2008. Lightwave Logic, Inc. was founded in 1991 and is headquartered in Englewood, Colorado.

LightPath Technologies, Inc. designs, develops, manufactures, and distributes optical components and assemblies. It offers precision molded glass aspheric optics, molded and diamond-turned infrared aspheric lenses, and other optical components used to produce products that manipulate light; and infrared products, including catalog and custom infrared optics. The company's products are used in defense products, medical devices, laser aided industrial tools, automotive safety applications, barcode scanners, optical data storage, hybrid fiber coax datacom, telecommunications, machine vision and sensors, and other sectors. It sells its products directly to customers in Europe and Asia. LightPath Technologies, Inc. was founded in 1985 and is headquartered in Orlando, Florida.

AXT, Inc. designs, develops, manufactures, and distributes compound and single element semiconductor substrates. The company offers indium phosphide for use in data center connectivity using light/lasers, high-speed data transfer in data centers, 5G communications, fiber optic lasers and detectors, consumer devices, passive optical networks, silicon photonics, photonic integrated circuits, thermo-photovoltaics, RF amplifier and switching, infrared light-emitting diode (LEDS) motion control, lidar for robotics and autonomous vehicles, and infrared thermal imaging. It also provides semi-insulating gallium arsenide (GaAs) substrates for use in Wi-Fi and IoT devices, transistors, direct broadcast television, power amplifiers, satellite communications, and solar cells; and semi-conducting GaAs substrates that are used in LEDs, screen displays using micro-LEDs, printer head lasers and LEDs, 3-D sensing using VCSELs, data center communication using VCSELs, sensors for industrial robotics/near-infrared sensors, optical couplers, solar cells, night vision goggles, lidar for robotics and autonomous vehicles, and other lasers, as well as laser machining, cutting, and drilling. In addition, the company offers germanium substrates for use in multi-junction solar cells for satellites, optical sensors and detectors, terrestrial concentrated photo voltaic cells, infrared detectors, and carrier wafer for LED. Further, it provides 6N+ and 7N+ purified gallium, boron trioxide, gallium-magnesium alloy, pyrolytic boron nitride (pBN) crucibles, and pBN insulating parts. It sells its products through direct salesforce in the United States, China, and Europe, as well as through independent sales representatives and distributors in Japan, Taiwan, Korea, and internationally. The company was formerly known as American Xtal Technology, Inc. and changed its name to AXT, Inc. in July 2000. AXT, Inc. was incorporated in 1986 and is headquartered in Fremont, California.

Energy Focus, Inc., together with its subsidiaries, designs, develops, manufactures, markets, and sells energy-efficient lighting systems, and controls and ultraviolet-C light disinfection products in the United States and internationally. It offers military maritime market light-emitting diode (LED) lighting products, such as Military-grade Intellitube retrofit TLED and the Invisitube ultra-low EMI TLED; and Military-grade fixtures, including LED globe lights, berth lights; high-bay fixtures and LED retrofit kits to serve the United States navy and allied foreign navies. The company also provides RedCap emergency battery backup TLEDs; EnFocus lighting platform, including dimming and color tuning; and LED retrofit solutions for linear fluorescent lamps, downlights, and retrofit kits for low-bay, high-bay and office applications; LED dock lights. It sells its products to military maritime, industrial, and commercial markets through direct sales employees, independent sales representatives, lighting agents, and distributors, as well as via e-commerce. The company was formerly known as Fiberstars, Inc. and changed its name to Energy Focus, Inc. in May 2007. Energy Focus, Inc. was founded in 1985 and is headquartered in Solon, Ohio.