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Laser Line Filter 25mm Diameter Wavelength 442nm

VPFHT-25C-4416

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This filter can extract light in a specific wavelength range. Very high transmittance can be obtained in the transmission range. Outside the specified transmission wavelength range the transmission decrease is steep and light is not transmitted almost close to the transmission range.
◦Since the coating is a dielectric multilayer the absorption is small and transmittance is high. It enables the separation of the wavelength specified light efficiently.
◦The filters are metallically framed which make it easy to be mounted into a holder.
◦Large choice of spectrum, range from UV 325nm to IR 1064nm are available.
More Information
Name Laser Line Filter 25mm Diameter Wavelength 442nm
Weight 0.0050lbs
Standard Coatings Available No
Guide
  • Please contact our Sales Division for customized products. (customized outer diameter, wavelength characteristic, etc.)
  • We also offer interference filters VPF with cutting range that is broad.
    • WEB Reference Catalog Code/W3119
Remark -
Attention
  • Characteristics of the interference filter is depending on the incident angle. If it is tilted from the optical axis, then the center transmitting wavelength is shifted toward the short wavelength, and transmittance also decreases. Please make sure to incident at 0 degrees collimated light or close to collimated (parallel) light to the optical axis. Angle dependence will increase as half-width range of transmittance becomes narrow.
Design wavelength 442nm
Diameter φD 25mm
Image Label Laser Line Filter 25mm Diameter Wavelength 442nm
Coating Dielectric multi-layer coating
Incident angle 0°
Maximum transmittance rate T≧90%
T≧80% (VPFHT-3250, -3550)
T≧85% (VPFHT-3638, -3720
Clear aperture φ8.5mm (φD=φ12.5mm)
φ22mm (φD=φ25mm)
Surface Quality (Scratch-Dig) 60-40
Center wavelength 442nm
Diameter φD φ25mm
Half bandwidth 2.4±0.7nm
Short wavelength Blocking range (OD5 Range) 381.0 - 437.2nm
Short wavelength Blocking range (OD6 Range) 406.3 - 435.0nm
Long wavelength Blocking range (OD5 Range) 446.0 - 551.1nm
Long wavelength Blocking range (OD6 Range) 448.2 - 485.8nm
In stock
SKU
VPFHT-25C-4416
SGD 719.50

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This filter can extract light in a specific wavelength range. Very high transmittance can be obtained in the transmission range. Outside the specified transmission wavelength range the transmission decrease is steep and light is not transmitted almost close to the transmission range.

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