Laser Products

High Transmission Glan Laser Polarizer

A new high transmission glan laser polarizer is developed at Polar Beam. The transmission is improved to 95% with Brewster angle design.

Main Specifications:
    Wavelength range and Extinction Ratio:
    Calcite:         350-2300nm       ER<5x10E-6
    YVO4:          400-4000nm       ER<5x10E-6
    Alpha BBO: 190-3500nm       ER<5x10E-6
    Beam Deviation:
    <3 arc min
    Dimension tolerance:
    ±0.1mm
    Surface quality:
    20-10 Scratch and dig
    Transmission Wavefront Distortion:
    Alpha BBO and YVO4: < lambda/4 @632.8nm
    Calcite: < lambda/2 @632.8nm
    Transmission:
    >95%
    Coating:
    Single layer MgF2
    Damage Threshold:
    >500MW/cm2
    Housing:
    Black anodized aluminum
Material Wavelength Rang(nm) Extinction Ratio Clear Aperture Φ a (mm) Outside Diameter Φ d (mm) L±0.1(mm)
Calcite 350-2300 <5x10 -6 6 25.4 11.3
8 25.4 14.8
10 25.4 18.4
YVO4 500-4000 <5x10 -6 6 25.4 13.2
8 25.4 17.6
10 25.4 22

Contact Us
Sales Office in Shanghai
Tel: 86-21-58325141      Fax: 86-21-58329412
E-mail: sales@polarbeam.com

Copyright 2000 - 2005 Polar Beam Technologies Inc., All Rights Reserved.
5106 Merano Court, Pleasanton, CA 94588, USA
Tel: (925) 225-9725, Fax: (925) 225-9043