Adaptive Agile Multi-Spectral Laser Protection Devices

Period of Performance: 05/05/2006 - 02/05/2007


Phase 1 SBIR

Recipient Firm

Kent Optronics, Inc.
275 Martinel Dr. Suite W
Kent, OH 44240
Principal Investigator


This SBIR Phase I proposal proposes to develop agile multi-spectral laser protection devices against multi-wavelength high-energy lasers based on KOI s exclusive reflective type optical tunable notch filters whose capability for laser beam blocking has been demonstrated. The device has a wide spectral coverage from the visible to infrared (IR) (e.g., mid-wave IR) with an optical density over 4 at the laser wavelength. The notch bandwidth is around 50 nm in the visible and around 100nm in IR. The insertion loss to normal detection light is less than 1 dB. Electro-optical response time is less than 20 ms. The device is simple, and lightweight with excellent thermal stability up to 100oC, low power consumption of