Analyzer, Testing Equipment
61-6998-71 Ultra-Violet Cut Filter Optics Size φ25.4mm NHOTM-25.4C3.3
Product Description
Product Model: 61-6998-71Product Brand: SIGMAKOKI CO., […]
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Product Details
Product Model: 61-6998-71
Product Brand: SIGMAKOKI CO., LTD.
Features
- A dichroic filter that reflects or absorbs infrared and ultraviolet rays and transmits only visible light.
- It is ***d to extract only visible light from the blackbody radiation of tungsten halogen lamps and high-temperature furnaces.
- This device has excellent weather resistance and can be ***d in high temperature and high humidity environments.
- * If the incident angle is tilted to 15 degrees or more, the wavelength characteristics of reflectivity and transmittance will change, and the characteristics as specified will not be obtained.
- * There is no anti-reflection coat on the back.
- * This can ca*** ghosting due to reflections on the back and front surfaces.
Spec
-
[
common specification]
- Material: BK7
- Surface accuracy: 3λ (range of φ25.4mm)
- Incident angle: 0° - 15°
- Coating: Dielectric multi-layered film coat
- Maximum durable temperature: 300℃
- Scratch - dig: 80-50
- [Individual specification]
- Optics size: φ25.4mm
- Thickness t: 3.3mm
- Transmittance (420 - 680nm): > Average 85%
- Transmittance (200 - 300nm): < Average 1%
- Transmittance (730 - 1500nm): < Average 5%
- RoHS conform product
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