61-6998-71 Ultra-Violet Cut Filter Optics Size φ25.4mm NHOTM-25.4C3.3
Analyzer, Testing Equipment

61-6998-71 Ultra-Violet Cut Filter Optics Size φ25.4mm NHOTM-25.4C3.3

model: 61-6998-71
brand: SIGMAKOKI CO., LTD.

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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