
Analyzer, Testing Equipment
61-6957-28 Laser Line Filter (High Transmittance Type) Center Wavelength 325nm φ12.5mm VPFHT-12.5C-3250
Product Description
Product Model: 61-6957-28Product Brand: SIGMAKOKI CO., […]
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Product Details
Product Model: 61-6957-28
Product Brand: SIGMAKOKI CO., LTD.
Features
- A filter that extracts light in a specific wavelength range.
- Very high transmittance is achieved in the transmission band.
- A short distance from the transmission band ca***s a steep drop, with little transmission near the transmission band.
- Since a dielectric multilayer film with low absorption is ***d, the transmittance is high and the specified wavelength can be separated efficiently.
- Since the interference filter is fixed to the metal frame, it is easy to fix to the holder and handle the element.
- Filters can be selected from a number of wavelengths ranging from 325 nm ultraviolet to 1064 nm near-infrared.
- An interference filter (VPF) with a wider cutoff band is also available.
- * The characteristics of the interference filter dep*** on the incident angle. When the angle is tilted to the optical axis, the center wavelength moves to the short wavelength side, and the transmittance also decreases.
- * Enter a parallel beam or a light close to the parallel beam at 0° to the optical axis.
- * The narrower the half-width, the greater the angular dep***ency.
Spec
-
[
common specification]
- Coating: Dielectric multi-layered film
- Incident angle: 0°
- Maximum transmittance: ≧90%, ≧80% (VPFHT-3250, VPFHT-3550) , ≧85% (VPFHT-36380, VPFHT-3720)
- Effective diameter: φ8.5mm (φD=φ12.5mm) , φ22mm (φD=φ25mm)
- Scratch - dig: 60-40
- [Individual specification]
- Center wavelength: 325nm
- Outer diameter φD: φ12.5mm
- Half width: 1.75±0.55nm
- Short-wavelength side cut band (OD5 band): 291.0 - 321.8nm
- Short-wavelength side cut band (OD6 band): 299.0 - 320.1nm
- Long-wavelength side cut band (OD5 band): 328.3 - 380.7nm
- Long-wavelength side cut band (OD6 band): 329.9 - 357.5nm
- RoHS conform product
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