Product category:
Cameras and imaging systems
News Release from: Medway Optics | Subject: Infrared and far-infrared polarisers
Edited by the Laboratorytalk Editorial
Team on 12 January 2005
Polarised heat
Infrared and far-infrared polarisers for applications including material synthesis characterisation, identification, spectroscopy, microscopy, and interferometry astronomy
Medway Optics offers infrared and far-infrared polarisers made by holographic, laser controlled ruled, and precision mechanically ruled methods for diverse applications These polarisers are produced in a variety of sizes on different substrates including calcium fluoride, barium fluoride, zinc selenide, KRS-5 and polyethylene
This article was originally published on Laboratorytalk on 15 Apr 2003 at 8.00am (UK)
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High extinction ratio infrared polarisers
All the polarisers give no beam deviation problems and have extremely good surface uniformity and flatness that stray light problems are virtually eliminated
These polarisers give none of the beam deviation problems common with other types of polarisers, says Medway.
They are said to have extremely good surface uniformity and flatness, such that stray light problems are virtually eliminated.
Holographic polarisers give high extinction and contrast ratios and, with optional anti-reflection coating, exceptional transmission and polarisation efficiencies are achieved.
Laser controlled ruled polarisers have high laser damage thresholds, typically 100 watts/cm2, and free standing tungsten wires have gold plated option for extreme environment durability.
Numerous applications of these polarisers include material synthesis characterisation, identification, beam attenuation and separation in spectroscopy, microscopy, ellipsometry, thermal imaging, laser instrumentation, interferometry astronomy and in R and D.
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