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

425nm CWL, 25mm Dia. Hard Coated OD 4.0 50nm Bandpass Filter

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Stock #86-949 Additional Bandwidths
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S$360.00
Qty 1-5
S$360.00
Qty 6+
S$282.00
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Diameter (mm):
25.00 +0.0/-0.1
Angle of Incidence (°):
0
Bandwidth (nm):
45
Optical Density OD (Average):
≥4.0
Clear Aperture CA (mm):
21.0
Center Wavelength CWL (nm):
425.00
Full Width-Half Max FWHM (nm):
50.00
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Optical Glass
Minimum Transmission (%):
≥90
Coating:
Hard Coated
Surface Quality:
80-50
Transmission (%):
≥90
Type:
Bandpass Filter
Typical Applications:
Lucifer yellow, Aqua 431, Acridine Homodimer
Blocking Wavelength Range (nm):
200 - 1200
Construction:
Mounted in Black Anodized Ring
Environmental Durability:
MIL-STD-810F, Section 507.4
Physical Durability:
MIL-C-48497A, Section 3.4.1
Mount Thickness (mm):
5.0 ±0.1
Substrate Thickness (mm):
3.5 ±0.5

Regulatory Compliance

RoHS 2015:
Reach 219:
Certificate of Conformance:

Product Family Description

  • High Transmission, Deep Blocking
  • Broad Bandwidths Ideal for Imaging Applications
  • Available in VIS and IR Center Wavelengths
  • Hard Coated OD 4.0 10nm and 25nm Bandpass Filters Also Available

TECHSPEC® Hard Coated OD 4.0 50nm Bandpass Filters are ideal for eliminating unwanted background noise and enhancing the signal to noise ratio for a range of imaging applications including machine vision inspection, fluorescence microscopy, and a variety of biotech instrumentation. Unlike traditional filters, which require multiple substrates and coatings, these hard coated filters are fabricated using only a single substrate. The hard coated, single substrate fabrication offers deeper blocking, higher transmission, and steeper slopes than traditional coated filters.

Note: These filters are optimized for high spectral performance rather than high Laser Induced Damage Thresholds (LIDT). A typical LIDT for these filters is 1 J/cm2 @ 532nm, 10ns. Please contact us if you require a filter with a higher LIDT value.

All mounted TECHSPEC® Optical Filters have an arrow on the side of the mount that points to the filter-coated surface for quick reference. Filter oriented such that arrow points to filter coated surface S1. Anti-reflective (AR) coating is applied to S2.
All mounted TECHSPEC® Optical Filters have an arrow on the side of the mount that points to the filter-coated surface for quick reference. Filter oriented such that arrow points to filter coated surface S1. Anti-reflective (AR) coating is applied to S2.
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