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248.6nm High Performance Laser Line Filter 12.5mm Dia.

High Performance Laser Line Bandpass Filters

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Stock #12-258 3-4 days
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£323.00
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Diameter (mm):
12.50 +0.0/-0.1
Angle of Incidence (°):
0 ±2
Bandwidth (nm):
1.7
OD 5 Blocking Wavelength Range (nm) :
228.2 - 246.1 & 251.1 - 279.9
OD 6 Blocking Wavelength Range (nm):
228.7 - 244.9 & 252.3 - 273.5
Optical Density OD (Average):
≥6.0
Clear Aperture CA (mm):
≥10
Center Wavelength CWL (nm):
248.60
Design Wavelength DWL (nm):
248.6
Full Width-Half Max FWHM (nm):
1.70 - 2.2
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Low Fluorescence N-BK7 or equivalent
Minimum Transmission (%):
>40
Coating:
Hard Coated
Surface Quality:
60-40
Thickness Tolerance (mm):
±0.10
Transmission (%):
>40
Type:
Bandpass Filter
Blocking Wavelength Range (nm):
228.2 - 246.1 & 251.1 - 279.9
Construction:
Mounted in Black Anodized Ring
Environmental Durability:
MIL-STD-810F Paragraphs 501.4, 502.4, and 507.4
Physical Durability:
MIL-C-48497A Paragraphs 4.5.3.1, 4.5.3.2, 4.5.3.3, 4.5.4.2, and 4.5.5.3
Mount Thickness (mm):
3.5 ±0.1
Substrate Thickness (mm):
2.0 ±0.1

Regulatory Compliance

RoHS 2015:
Compliant
×
Reach 209:
Compliant
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Certificate of Conformance:
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Product Family Description

  • Over 90% Transmission at Specified Laser Lines
  • Hard Coated Design
  • Designed for Laser Applications

Available for use with common gas and solid state lasers, High Performance Laser-Line Bandpass Filters are designed to offer maximum transmission of stimulated emission, while eliminating noisy spontaneous emission. These laser line filters are available at popular diode and Nd:YAG laser lines, including 532nm, 785nm, and 1064nm. High Performance Laser-Line Bandpass Filters are ideal for laser-based fluorescence instrumentation, Raman spectroscopy, or for analytical or medical laser systems. Due to their steep edges, High Performance Laser-Line Bandpass Filters are excellent complements to TECHSPEC® Notch Filters and Laser Line Longpass 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 0.1 J/cm2 @ 532nm, 10ns.