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Coherent ARM Lasers Bypass a Roadblock to Pollution Free Automobiles

See how HighLight FL-ARM lasers enable fuel cell production by successfully welding PEMFC bipolar plates at high-speeds.

3P Imaging of Multiple Probes Using Only 1300 nm Excitation

Learn why a turnkey source of 1300 nm enables studies to go deeper into mammalian neuroscience, literally and figuratively, while simultaneously exciting both short- and long-wavelength fluorescent probes.

Better Together: The Innovation Powerhouse of the New Coherent

II-VI Incorporated and Coherent, Inc., are now one company – Coherent Corp. The new Coherent stands at the forefront of megatrends that are shaping our world, today and tomorrow.

Introducing Coherent Virtual MicroSeminar for Excimer Laser Systems

Custom virtual workshops tailored to your business needs.

Coherent Virtual MicroSeminars for Excimer Laser Systems

Inertial Navigation with IFOGs

Learn about the interferometric fiber-optic gyroscopes (IFOGs) at the heart of the most advanced and precise navigation systems.

Get Quick Answers on Laser Damage for Sensors

Our new online damage threshold calculator shows you right away if your laser power and energy measurement sensor is working within safe limits.

New Laser Engines Benefit Life Sciences OEMS

Read about a key advance targeting flow cytometry

Introducing New UV Lasers for Flow Cytometry

Discover the Coherent OBIS XT series — expanding power up to 150 milliwatts and a completely new 320 nm wavelength.

New Ultraviolet Lasers for Flow Cytometry

Lowering Marking Costs for Medical Device Manufacturers

The combination of tray handling and integrated vision enables long unattended marking runs, minimizing labor costs.

Lasers Enable Innovative Tape Laying for Composite Panels and Pipes

Learn about how our diode laser modules and zoom delivery optics support laser-assisted tape winding (LATW) and laser-assisted tape placement (LATP) in any desired configuration.

Coherent Laser FrameWork Accessories Enhance Medical Device Manufacturing

Learn how Coherent Laser FrameWork Software and Accessories improve manufacturing productivity.

LabMax Touch Simplifies Making Accurate Laser Measurements

Coherent launches LabMax Touch Pro power and energy meter, a modern touchscreen operated meter that puts accurate laser measurements at your fingertips.

Success Stories

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Dartmouth College: Coherent OBIS Lasers Power Research on Neurological Diseases

See why a team led by Prof Michael Hoppa at Dartmouth College chose an OBIS laser for their study of synaptic dysfunction and treatments for epilepsy and other neurological diseases.

Success story with Michael Hoppa of Dartmouth. OBIS lasers.

Watlow: Laser Welder Delivers Heat at Just the Right Spot

See how our Select Manual Laser Welder enables precision thermal solutions provider Watlow to produce a novel type of resistance heating element.

Wires laser bonded directly to the thermal spray layer of an inline circulation heater

XL Precision: Laser Machines Deliver for MDM

A leader in medical device and component manufacturing builds on strong growth by investing in more laser machines.

XL Precision Technologies services a worldwide base of customers

Fraunhofer CAP: High-performance Compact Tapered Amplifiers for Sensing Local Gravity Gradients

See how a team led by Dr Loyd McKnight in the Quantum Technologies Business Unit at the Fraunhofer Center for Applied Photonics used tapered amplified chips from Coherent to create a portable atom interferometer.

IMAG’IC at Institut Cochin: Ultrafast Laser Delivers Flexibility and Reliability for Lab Productivity

Discover how Dr Thomas Guilbert and team used a Coherent Chameleon laser to support cutting-edge tumor research and more.

Heraeus: Why Lasers Are Better for Platinum Cutting

Discover how the team at Heraeus uses a modern fiber laser to optimize platinum and precious metal cutting on the production line.

Tokyo Institute of Technology: KAGRA Relies on Low-Noise Mephisto

Discover how Prof Kentaro Somiya and his team at the Tokyo Institute of Technology use a low-noise Coherent Mephisto laser in their work with KAGRA, the Large-scale Cryogenic Gravitational Wave Telescope, the world's largest gravitational wave observatory.

KAGRA First Large-scale Gravitational Wave Telescope

University of California, San Diego: Amplifier Stability Enables 2D Spectroscopy

See how a group led by Prof Wei Xiong leveraged a Coherent Astrella amplifier to study the efficacy of heterogenous catalysts with 2D spectroscopy.

University of Toronto: Multiphoton Microscopes Probes Social Behavior in Zebrafish

Discover how the University of Toronto Hospital for Sick Children, used Coherent lasers to understand the neurological basis of social memory deficits.

Multiphoton Microscope at the University of Toronto

Motion Dynamics: Versatile Laser Cutting for Neurological Sub-Assemblies

Motion Dynamics is a leading manufacturer of neurological sub-assemblies, including steerable catheters and “pull-wire” assemblies, making use of our StarCut Tube machines for precision cutting of key components.

DPSS Lasers Inc.: UV Lasers Deliver Success for Systems Integrator

Learn how a systems integrator maintains their reputation for fast response and cost-effective solutions for marking and micromachining, using off-the-shelf UV lasers from Coherent.

Politecnico di Milano: Fidelity Laser Key to Multispectral Raman Tissue Imaging

A group led by Prof Giulio Cerullo has expanded the capabilities of Stimulated Raman Scattering (SRS) microscopy to 32 wavelength channels, enabling detailed chemical mapping of tissue.

Press Releases

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Coherent Wins Ecoc 2022 Award for Optical Integration With 400G Zr+ Qsfp-Dd-Dco Transceiver

Coherent Corp. (Nasdaq: COHR), a leader in optical communications transceivers, today announced that its 400G ZR+ QSFP-DD-DCO transceiver has won the 2022 ECOC Exhibition Industry Award for Optical Integration.

Coherent Thought Leaders to Present at ECOC 2022 and Showcase New Products With Live Technology Demonstrations

Coherent Corp. (Nasdaq: COHR), the world’s leading supplier of components and modules for optical communications, today announced that it is exhibiting at ECOC 2022 in Basel, Switzerland, Sept. 19-21, booth #1.

Coherent Introduces Ultrahigh-Resolution Telemetry Module for Embedded Performance Monitoring in 800G Optical Transport Systems

Coherent Corp. (Nasdaq: COHR), a leader in optical communications technology, today announced the introduction of its ultrahigh-resolution telemetry module, or optical channel monitor (UHR-OCM), for embedded performance monitoring in optical transport systems transmitting at up to 800G and beyond.

Coherent Introduces 200G Indium Phosphide Electro-Absorption Modulated Lasers for High-Speed Datacenter Transceivers

Coherent Corp. (Nasdaq: COHR), a global leader in optical communications components and subsystems, today announced the introduction of its 200 Gbps indium phosphide (InP) electro-absorption modulated lasers (EML) for high-speed datacenter transceivers.

Coherent Introduces I-Temp Micro-Pump Lasers for Extended Temperature Operation in Broadband Optical Access Networks

Coherent Corp. (Nasdaq: COHR), a leader in pump laser technology for optical networks, today announced the introduction of its I-Temp micro-pump lasers for extended ambient temperature operation in broadband optical access networks.

Coherent Awarded Contract to Develop Optical Transceivers for the DARPA Space-BACN Program

Coherent Corp. (Nasdaq: COHR), a leader in photonics for communications and aerospace & defense, today announced that it has won a Defense Advanced Research Projects Agency (DARPA) contract to develop coherent optical transceiver technology for the agency’s Space-Based Adaptive Communications Node (Space-BACN) program.

II-VI Changes Name to Coherent and Launches New Brand Identity

II-VI Incorporated (Nasdaq: IIVI), a leader in engineered materials and optoelectronic components, today announced a corporate name change to Coherent Corp. (Nasdaq: COHR) and a new brand identity, following the successful completion of II-VI’s acquisition of Coherent, Inc., on July 1, 2022.

II-VI Incorporated Completes the Acquisition of Coherent, Forming a Global Leader in Materials, Networking, and Lasers | Coherent

II‐VI Incorporated (Nasdaq: IIVI) today successfully completed the acquisition of Coherent, Inc. (Nasdaq: COHR), forming a global leader in materials, networking, and lasers.

II-VI Incorporated Obtains All Governmental Regulatory Approvals to Complete Acquisition of Coherent, Inc. and Sets Expected Closing Date | Coherent

II‐VI Incorporated (Nasdaq: IIVI) (“II-VI”) and Coherent, Inc. (Nasdaq: COHR) (“Coherent”) today announced that II-VI has obtained antitrust clearance from the State Administration for Market Regulation of the People’s Republic of China (“SAMR”) for II-VI’s pending acquisition of Coherent. The clearance decision from SAMR satisfies the closing condition set forth in the previously announced merger agreement regarding the receipt of antitrust approvals. II-VI expects the closing of its acquisition of Coherent (the “Merger”) to occur on or about July 1, 2022.

II-VI Incorporated And Coherent, Inc. Announce Refiling Of Premerger Notification And Report Form With Federal Trade Commission And U.S. Department Of Justice | Coherent

II‐VI Incorporated (Nasdaq: IIVI) and Coherent, Inc. (Nasdaq: COHR) today announced that they have refiled their Premerger Notification and Report Form (the “HSR Notification”) with the Federal Trade Commission and the U.S. Department of Justice on May 2, 2022, in connection with the previously-announced pending acquisition (the “Merger”) of Coherent by II-VI.

II-VI Incorporated and Coherent, Inc. Announce Respective Shareholder and Stockholder Approvals for Merger Agreement

Coherent (Nasdaq: COHR) - II-VI Incorporated and Coherent, Inc. Announce Respective Shareholder and Stockholder Approvals for Merger Agreement

II-VI And Coherent Provide Update On Transaction Milestones

Coherent (Nasdaq: COHR) - II-VI And Coherent Provide Update On Transaction Milestones.