Closest thing I found:
Transmittance in the NIR region for polycarbonate lenses (UVEX ultraspec goggles (path length of polycarbonate is ~ 2.3 mm)) taken using an Ocean Optics near IR (NIR-512) temperature-regulated InGaAs detector spectrometer [1]. The wiggly region between 860 and 1060 nm is likely due to interference effects of a http://www.answers.com/topic/thin-film-optics on the plastic surface.
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Polycarbonate has good IR transmission properties, allowing it to transmit infrared light in the wavelength range of approximately 7-14 microns. This makes it suitable for applications in IR sensors and devices that require transparency to infrared radiation.
Probably Polycarbonate. Even thin bits of Polycarbonate can withstand gun fire.
The unit weight of a 2mm thick polycarbonate sheet depends on the specific density of the polycarbonate material being used. On average, the unit weight of a 2mm thick polycarbonate sheet is approximately 1.2 kg/square meter.
Fiberglass is generally stronger than polycarbonate in terms of impact resistance and durability. However, polycarbonate is known for its higher resistance to shattering and flexibility, making it a popular choice for applications where impact resistance and flexibility are important.
Potassium bromide (KBr) is commonly used in infrared (IR) spectroscopy as a method to prepare solid samples for analysis. The sample is mixed with KBr and compressed into a pellet, which allows for better handling and analysis. KBr has a wide transmission range in the IR spectrum and is transparent to infrared radiation, making it a suitable medium for the sample to be measured.
KBr is transparent to IR radiation, most alkali halides are transparent in ir