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History & Milestones



  • Demonstrated novel VBG technology for high efficiency spectral beam combining (SBC) of fiber and diode lasers
  • Delivered to customers Chirped Bragg gratings providing stretching time up to 1-nsec
  • Demonstrated first narrow line 795 nm SEOP Laser Diode system with 60W linearly polarized output power and wavelength and linewidth tuning capability
  • Commercial monolithic Raman notch filters with OD>5 at 532 and 633 nm


  • OptiGrate opened a new, state of the art, Volume Bragg grating (VBG) manufacturing facility in Oviedo, FL
  • Received the 'Small Manufacturer of the Year' President's award from the Manufacturers Association of Central Florida
  • Our BragGrate™ Pulse with stretching time exceeding 500 ps became commercially available


  • OptiGrate is named as a “50 Florida Companies to Watch” award winner
  • We demonstrated our first monolithic multi-band Notch filter with 99.9% Optical Density at two different wavelengths
  • First 2.5 um BragGrate™ Pulse elements are successfully manufactured and deployed
  • Achieved world’s first monolithic laser with our volume Bragg gratings consisting of Nd, Er, and Yb doped Photo-Thermo-Refractive (PTR) glass
  • OptiGrate delivered KW-class DPAL pump units with 10 GHz line width


  • Launched full product line of ultra-narrow band BragGrate™ Raman filters with wavelengths from 488 to 1064 nm
  • Our first monolithic Notch filter with >99.999% and bandwidth <10 cm^1 at 785 nm was produced
  • Photo-Thermo-Refractive glass with an absorption rate lower than 1x10-4 cm-1 at 1 micron was demonstrated


  • 100x100 mm2 high energy laser target boards in PTR glass was manufactured
  • OptiGrate was awarded NASA and U.S Air Force funding to develop fiber laser technologies
  • World first 200W laser diode module with 20 pm line width was made


  • Dr. Alexei Glebov joined OptiGrate as President and CEO
  • We demonstrated our chirped Bragg grating based femtosecond pulse compressor with 90% efficiency
  • Produced high efficiency gratings with 60x60 mm2 lateral dimensions
  • U.S. Navy awards OptiGrate with funding to produce ultra-short pulse laser (USPL) stretcher and compressor technology


  • First 30W VBG- Laser was built with 10 GHz linewidth
  • OptiGrate introduced volume Bragg grating filter with a 20 pm spectral width
  • New glass fabrication facility was opened in Orlando, FL
  • OptiGrate’s volume Bragg grating passed 20 kW laser radiation test
  • First UV volume Bragg grating was demonstrated at 390 nm with 90% efficiency
  • We launched our BragGrate™ Combiner product for kW-class spectral beam combining
  • OptiGrate developed our PTR glass technology with 100 mm lateral dimensions and absorption of 3x10-4 cm-1 at 1 micron


  • Achieved an absolute diffraction efficiency of 99.7% in VBG
  • Created our  first high efficiency gratings with 35x35 mm2 lateral dimensions


  • New, high-tech holographic facility is opened in Orlando, FL
  • OptiGrate received first volume order for VBG’s


  • Reflecting Bragg grating filter with diffraction efficiency >99.999% was made
  • OptiGrate was awarded Phase II STTR Government contract
  • Initial chirped Bragg grating compressor for ultra-short pulse lasers was built


  • The core patent for our platform technology was issued
  • Discovery of non-linear photosensitivity of the PTR glass to visible radiation


  • OptiGrate received our first commercial order for reflecting Bragg gratings for Laser Diode (LD) stabilization system
  • We demonstrated our first successful reflecting Bragg grating based tunable filter


  • First demonstration of spectral and angular narrowing and stabilization of diode lasers with volume Bragg gratings as a part of a program funded by the Department of Defense
  • We discovered the third harmonic generation in VBG’s


  • We were awarded an exclusive license for our platform technology from the University of Central Florida
  • OptiGrate received our first U.S. Government contract


  • OptiGrate demonstrated our VBG’s with 98% diffraction efficiency
  • Light Processing and Technologies Inc. was established in Orlando, FL (AKA OptiGrate)