Intro

Function

Polarizers

Features

Magnets

Adjustable

Broadband

Fixed

244 - 505nm

505 - 700nm

700 - 925nm

925 - 1100nm

1260 - 1650nm

HoYAG(1900-2200nm)

Pol. Independent

Alignment Inst.

Body Types

Of all isolators manufacturers in the world, OFR is the only one who manufactures all of the optical components used in its isolators. OFR manufactures calcite polarizers, and Brewster's Angle Plate Polarizers, and other types. Types of Polarizers and Power Limits Number Type of Polarizer CW Pulsed VLP Dichroic thin plate 25 W/cm2 300 kW/cm2 PBS Polarizing B/S Cube 13 W/cm2 ------------ LP Air-spaced Calcite 100 W/cm2 25 MW/cm2 HP Air-spaced Calcite 500 W/cm2 150 MW/cm2 HP-YAG Air-spaced Calcite 750 W/cm2 200 MW/cm2 VHP Brewster's Angle Plate 20 kW/cm2 1 GW/cm2 Note: Pulsed measurements made at 1064 nm 20 ns pulse width, 20 Hz.   VLP Polarizers (manufactured by OFR, see page OC-23) Thin glass plate AR Coated Extinction ³ 45 dB Dichroic Polarizer Transmittance ³ 95% (l > 1250nm) Absorbs unwanted polarization *PBS Polarizers Cemented prism beamsplitter AR Coated Extinction ³ 33 dB Energy Injection at 90° Transmittance/reflectance ³ 95% LP Polarizers (manufactured by OFR, see page OC-23) Air-spaced design Extinction ³ 53dB Transmittance ³ 98% AR Coated *HP Polarizers (manufactured by OFR, see page OC-23) Air-spaced design Extinction ³ 53dB Transmittance ³ 98% AR Coated VHP Polarizers (manufactured by OFR, see page OC-23) Double dielectric Brewster's Plate Highest power damage resistance AR coated Transmittance ³ 96% Extinction ³ 40dB

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