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25mm Dia., 473nm Laser Line Longpass Filter

Laser Line Longpass Filters

Laser Line Longpass Filters

Stock #47-502
A$1,112.00
Qty 1+
A$1,112.00
Volume Pricing
Request Quote
Diameter (mm):
25.00 +0.0/-0.1
Thickness Tolerance (mm):
±0.1
Laser Blocking Wavelength (nm):
473
Design Wavelength DWL (nm):
473
Transition Width (nm):
<4.7
Edge Steepness (nm):
2.40
Bandwidth (nm):
>550
Transmission Wavelength (nm):
479.1 - 1066.9
Angle of Incidence (°):
0 ±2
Clear Aperture CA (mm):
22
Optical Density OD (Average):
≥6.0
OD 6 Blocking Wavelength Range (nm):
383 - 473
Coating:
Hard Coated
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Surface Quality:
60-40
Transmission (%):
93.00
Type:
Longpass Filter
Clear Aperture (%):
88
Durability:
Environmental: MIL-STD-810F, Physical: MIL-C-48497A
Temperature Dependence (ppm/°C):
<5
Angle Tuning Range, for 0 - 8° Shift:
-0.3% of Laser Wavelength
Mount Thickness (mm):
3.5
Damage Threshold, Pulsed:
0.5 J/cm2 @ 266nm, 10ns, 10Hz
1 J/cm2 @ 532nm, 10ns, 10Hz

Regulatory Compliance

RoHS 2015:
Reach 209:

Product Family Description

  • Up to 93% Transmission to Detect Weak Signals
  • Deep > OD 6 Blocking for Maximum Laser Rejection
  • Ideal for Raman Spectroscopy, Confocal Microscopy, and Biotech Instrumentation
  • Unrivaled Performance and Lifetime

Our Laser Line Longpass filters offer unprecedented performance in longpass laser edge filter applications. The steep edges (measured from an optical density of 6.0 to a transmission of 50%) make it possible to measure even the smallest Raman shifts, making these filters a superior alternative to costly holographic notch filters for Stokes Raman scattering measurements. Compared to notch filters, these edge filters offer better transmission, higher laser line blocking, and steeper edges, permitting measurement of Raman signals extremely close to the laser line. The large bandwidths and exceptional transmission permit these filters to be used in even the most demanding imaging applications.

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