Coated Heat Absorbing Shortpass Filter

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Compare	Model		Size	Center Wavelength	Availability	Price	Brand
FR-KG3-C Heat Absorbing Glass Filter, Coated, Ø12.7 mm, IR Cut-off, KG3 $55.00 In Stock	FR-KG3-C Heat Absorbing Glass Filter, Coated, Ø12.7 mm, IR Cut-off, KG3	1.0	Ø12.7 mm	VIS	In Stock	$55.00	Newport
FSR-KG1-C Heat Absorbing Glass Filter, Coated, Ø25.4 mm, IR Cut-off, KG1 $62.00 In Stock	FSR-KG1-C Heat Absorbing Glass Filter, Coated, Ø25.4 mm, IR Cut-off, KG1	2.0	Ø25.4 mm	VIS	In Stock	$62.00	Newport
FSR-KG2-C Heat Absorbing Glass Filter, Coated, Ø25.4 mm, IR Cut-off, KG2 $62.00 In Stock	FSR-KG2-C Heat Absorbing Glass Filter, Coated, Ø25.4 mm, IR Cut-off, KG2	3.0	Ø25.4 mm	VIS	In Stock	$62.00	Newport
FSR-KG3-C Heat Absorbing Glass Filter, Coated, Ø25.4 mm, IR Cut-off, KG3 $62.00 In Stock	FSR-KG3-C Heat Absorbing Glass Filter, Coated, Ø25.4 mm, IR Cut-off, KG3	4.0	Ø25.4 mm	VIS	In Stock	$62.00	Newport
FSR-KG5-C Heat Absorbing Glass Filter, Coated, Ø25.4 mm, IR Cut-off, KG5 $62.00 In Stock	FSR-KG5-C Heat Absorbing Glass Filter, Coated, Ø25.4 mm, IR Cut-off, KG5	5.0	Ø25.4 mm	VIS	In Stock	$62.00	Newport
FSQ-KG1-C Heat Absorbing Glass Filter, Coated, 50.8x50.8 mm, IR Cut-off, KG1 $89.00 In Stock	FSQ-KG1-C Heat Absorbing Glass Filter, Coated, 50.8x50.8 mm, IR Cut-off, KG1	6.0	50.8 x 50.8 mm	VIS	In Stock	$89.00	Newport
FSQ-KG2-C Heat Absorbing Glass Filter, Coated, 50.8x50.8 mm, IR Cut-off, KG2 $89.00 Contact Us	FSQ-KG2-C Heat Absorbing Glass Filter, Coated, 50.8x50.8 mm, IR Cut-off, KG2	7.0	50.8 x 50.8 mm	VIS	Contact Us	$89.00	Newport
FSQ-KG3-C Heat Absorbing Glass Filter, Coated, 50.8x50.8 mm, IR Cut-off, KG3 $89.00 In Stock	FSQ-KG3-C Heat Absorbing Glass Filter, Coated, 50.8x50.8 mm, IR Cut-off, KG3	8.0	50.8 x 50.8 mm	VIS	In Stock	$89.00	Newport
FSQ-KG5-C Heat Absorbing Glass Filter, Coated, 50.8x50.8 mm, IR Cut-off, KG5 $89.00 In Stock	FSQ-KG5-C Heat Absorbing Glass Filter, Coated, 50.8x50.8 mm, IR Cut-off, KG5	9.0	50.8 x 50.8 mm	VIS	In Stock	$89.00	Newport

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Features

Coated Heat Absorbing Shortpass Filters

The Colored Glass Heat Absorbing Shortpass Filters are used to protect components that are sensitive to heat generated by high intensity illumination system. They are made of heat absorbing glass that provides excellent absorption of infrared radiation and transmits visible wavelength region. These coated filters have a lower per surface reflectivity resulting in ~3% increase in transmission compared to the uncoated filters.

Coated for Better Humidity Resistance

Select color filters are made from hygroscopic material which, when exposed to a humid environment, will start to discolor. Our new colored glass filters are coated with SiO₂ film that protects the hygroscopic material from humidity and prevents staining. Humidity tests were conducted per MIL-C-48497 specifications. The film layer proved intact and optical performance of the filter remained the same after the test.