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All Products / Optics / Optical Filters / Bandpass Filters / Hard Coated Laser Clean-Up Filters
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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

830nm CWL, 25mm Dia, 3.0 FWHM, Hard Coated Laser Clean-Up Filter

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Stock #68-887 Clearance 3-4 days
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£83.64 £167.28
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£83.64 £167.28
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Diameter (mm):
25.00 +0.0/-0.1
Angle of Incidence (°):
0.00
Optical Density OD (Average):
≥4.0
Center Wavelength CWL (nm):
830.00
Design Wavelength DWL (nm):
830
Full Width-Half Max FWHM (nm):
3.00
Full Width-Half Max FWHM Tolerance (nm):
±1.0
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Fused Silica (Corning 7980)
Minimum Transmission (%):
>80
Coating:
Hard Coated
Surface Quality:
60-40
Thickness Tolerance (mm):
±0.1
Type:
Bandpass Filter
Blocking Wavelength Range (nm):
700 - 821 & 839 - 1200
Clear Aperture (%):
>90
Transmitted Wavefront, RMS:
λ/4
Parallelism (arcsec):
<30
Angle of Incidence Tolerance (°):
±5.0
Mount Thickness (mm):
3.5

Regulatory Compliance

RoHS:
Compliant
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Certificate of Conformance:
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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.

Laser Optics