UV Transmitting Filters

UTVAF

UV Transmitting Filters
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UTVAF
A filter that transmits a specific wavelength in the UV range and cuts the visible range. It is used to select UV wavelength from a light emission or select a specific wavelength from multiwavelengths.
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UV Transmitting Filter 50mm Wavelength 325nm
UTVAF-50S-34U
50mm x 50mm
6-12 weeks
$100.00
Dimensions 50 × 50mm
Thickness 2.5mm
Material Glass (containing a substance of optical absorption)
Center wavelenght 325nm
Transmittance for center wavelength >73%
Absorption limit short wavelength 251nm
Transmittance at short absorption limit <5%
Absorption limit long wavelength 398nm
Transmittance at longt absorption limit <0.1%
Average Transmittance <br>(absorption limit long wavelength − 700nm) <0.1%
i
UV Transmitting Filter 50mm Wavelength 350nm
UTVAF-50S-36U
50mm x 50mm
2 weeks
$100.00
Dimensions 50 × 50mm
Thickness 2.5mm
Material Glass (containing a substance of optical absorption)
Center wavelenght 350nm
Transmittance for center wavelength >72%
Absorption limit short wavelength 288nm
Transmittance at short absorption limit <5%
Absorption limit long wavelength 410nm
Transmittance at longt absorption limit <0.1%
Average Transmittance <br>(absorption limit long wavelength − 700nm) <0.1%
i
UV Transmitting Filter 50mm Wavelength 317nm
UTVAF-50S-33U
50mm x 50mm
2 weeks
$100.00
Dimensions 50 × 50mm
Thickness 2.5mm
Material Glass (containing a substance of optical absorption)
Center wavelenght 317nm
Transmittance for center wavelength >85%
Absorption limit short wavelength 233nm
Transmittance at short absorption limit <5%
Absorption limit long wavelength 431nm
Transmittance at longt absorption limit <0.3%
Average Transmittance <br>(absorption limit long wavelength − 700nm) <5%

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◦It is widely used in fluorescence imaging or selecion of only UV exposure from a visible light.
◦UTVAF-36U is used for selecting the emitted light of the i line (365nm).
◦Use the filter in a short wavelength detector, or to cut off the brightness of the visible light and increase the sensibility of the UV light.