# Coherent Corp

> Coherent Corp (formerly II-VI Incorporated, which merged with Coherent and later Finisar) is a global leader in laser technology, optical components, and photonic solutions headquartered in Saxonburg, Pennsylvania. The company's laser product portfolio spans from ultrafast Ti:Sapphire and Yb:KGW femtosecond lasers used in nonlinear optics research, multiphoton microscopy, and laser ablation, through continuous-wave diode-pumped solid-state lasers for spectroscopy and materials processing, to high-power industrial fiber lasers for manufacturing. Researchers in ultrafast science rely on Coherent's Mira and Chameleon Ultra tunable femtosecond oscillators for two-photon excitation microscopy and femtochemistry experiments. Their RegA and Vitara amplifier systems provide high-repetition-rate ultrafast pulses for pump-probe spectroscopy. Coherent's OBIS and Sapphire laser modules supply fiber-coupled or free-space single-mode output for fluorescence microscopy, flow cytometry, and optical trapping applications across the UV to NIR range. The company's II-VI compound semiconductor division produces epitaxial wafers and devices, vertical cavity surface emitting lasers (VCSELs) for 3D sensing and data communications, and mid-infrared quantum cascade lasers for chemical sensing and spectroscopy. Their optical elements including etalons, frequency doublers, and acousto-optic modulators are integrated into countless custom research setups. Following the acquisition of Coherent Inc., the combined entity became the largest laser company in the world, covering research, medical, microelectronics, and communications applications.

*Source: [https://selltoscientists.com/companies/coherent-corp/](https://selltoscientists.com/companies/coherent-corp/)*

**Industry:** Lasers & Photonic Solutions
**R&D spend:** $510M
**Academic collaborations:** 780
**Patents:** 5,800

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