• Product
  • Spectroscopy
  • Sigma-Koki
  • Sigma-Koki
  • Sigma-Koki
 
 
Sigma-Koki
Spectroscopy
Detectors
Visualization (가시화)
LAMP
Laser beamprofilter
Cryogenic
Laser
Sigma-Koki
Fluorescence Life Time
Fiber&probe
 
Sigma-Koki
CLDF (콜드필터)
  • CLDF (콜드필터)
  • 텅스턴 램프나 할로겐 램프는 가시광과 같이 열선(적외선)이 방사되, 조사체의 온도를 높일 수 있습니다.콜드 필터는 가시광역을 투과시키고 적외광을 감쇠시키는 것으로 조사체의 온도가 올라가는 것을 방지합니다.

▶The transmittance graph drops on the long side of the visible range when the incident angle is slightly slanting.
▶When placing the filter too close to a light source, the heat absorption may damage the filter with a rapid change of the temperature.
▶The backside of the cold filter is not coated with AR. The absorption filter may have a backside reflectance value of 4%, a total of 20% of loss can be occurred.

Common Specifications
MaterialHeat Absorbing glass
Incident angle
Wavelength Range400 - 2000nm(Wavelength above 900nm is brocked )
Surface Quality (Scratch−Dig)60−40
Clear apertureCircle of 90% of the diameter or Circle inscribed in a square of 90% of the dimensions

 

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