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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

980nm CWL, 25mm Dia, 4.0 FWHM, Hard Coated Laser Clean-Up Filter

Stock #68-889
S$503.75
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Qty 1
S$503.75
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Diameter (mm):
25.00 +0.0/-0.1
Center Wavelength CWL (nm):
980.00
Full Width-Half Max FWHM (nm):
4.00
Minimum Transmission (%):
>80
Optical Density OD (Average):
≥4.0
Coating:
Hard Coated
Blocking Wavelength Range (nm):
850 - 970 & 990 - 1300
Clear Aperture (%):
>90
Surface Quality:
60-40
Angle of Incidence (°):
0.00
Angle of Incidence Tolerance (°):
±5.0
Mount Thickness (mm):
3.5
Parallelism (arcsec):
<30
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Transmitted Wavefront, RMS:
λ/4
Type:
Bandpass Filter

Regulatory Compliance

RoHS:

Product Family Description

  • Narrow Bandwidths for Gas and Solid State Lasers
  • Broad Bandwidths for Diode Laser Clean-Up
  • High Transmission, Deep Blocking

TECHSPEC® Hard Coated Laser Clean-Up Filters provide high transmission of designated wavelengths with deep blocking of unwanted wavelengths. Designed for use with high performance laser systems, TECHSPEC Hard Coated Laser Clean-Up Filters feature hard, durable coatings on a single substrate to ensure reliable performance over extended lifetimes. Optical filters with narrow bandwidths of 3 – 5nm are ideal for eliminating noisy spontaneous emission from laser sources, while filters with broad bandwidths are designed for use with diode wavelengths to eliminate background noise when detecting the laser source in order to improve the system’s signal-to-noise ratio. TECHSPEC Hard Coated Laser Clean-Up Filters feature maximum blocking within a few nanometers of the laser wavelength, making these laser filters ideal for the most demanding laser-based instrumentation or applications.

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