EOTech Laser Diode Faraday Rotator for Free Space Optical Isolation
The term EOTech Laser Diode Faraday Rotator refers to a legacy high-precision optical component manufactured by Electro-Optics Technology, Inc. (EOT), a company distinct from the EOTECH firearm optics brand.
Technical Overview
Function: This device utilizes the Faraday effect to rotate the polarization of a laser beam, typically by 45°. When combined with polarizers, it acts as an optical isolator, functioning as a “one-way valve” for light.
Purpose: It is primarily used to protect sensitive laser diodes from destabilizing back-reflections (optical feedback) that can cause frequency instability, noise, or physical damage to the diode.
Key Components: It consists of a high-Verdet-constant material (such as TGG crystal or specialized glass) housed within permanent magnets that generate an axial magnetic field.
***MPN
***OEM Electro-Optics Technology
***SKU*** 61018





