Optical Products
Laser Products


Lenses have many application ranging from the simple collection of the scaning of laser beams to precise imaging and image transfer. Lenses are classified as single lenses, cylindrical lenses and achromatic lenses according to the different applications. Polar Beam Technologies Inc. provides these lenses with the material of BK7, fused silica, sapphire and CaF2. Special focusing systems are able to be designed by engineers upon request.

Main Specifications:
    Design Wavelength:
    480.0nm, 546.1nm, 643.8nm
    Dimension Tolerance:
    0.0, -0.15mm
    Surface Quality:
    60/40 scratch and dig
    λ/4 @ 632.8 nm
    Paraxial Focal Length:
    ±2% @546.1nm
    3 arc minutes
    Clear Aperture:
    50/50±5% for natrual light,T=(Ts+Tp)/2, R=(Rs+Rp)/2
    Beam Deviation:
    <3 arc minutes
    Single layer MgF2 broadband AR coating
    Protective Bevel
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