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Raman Filter
 
Shanghai Optics offers a large selection of filters to meeting your needs whether your application is in biotechnology, R&D, Test and Measurement, Machine Vision or Analytical Instrumentation. From bandpass and edge filters to notch and neutral density filters, our filters are optimized for your requirements.
Related Products:
raman filter
 
Features of Raman Filter:
High Transmission to Detect the Weakest Signals
Ultra-steep Edge to Measure Even the Smallest Raman Shifts
Deep Blocking for Maximum Laser Rejection
Hard Coatings and No Adhesives for Long Filter Life
All Dielectric Coated with IBS Technology
 
Specifications of Raman Filter:  
Edge Steepness: 0.5% of laser wavelength (typical) Mounting: Black-anodized aluminum ring
Transition Width: <2% of laser wavelength (from T=50% to OD6) Lase Line Blocking: >6.0 Optical Density
Laser Damage Threshold: 1J/cm2@532nmwith 10ns pulse width Clear Aperture: >80%
Substrate Material: Fused silica or NBK7 or equivalent Passband Transmission: >90%
Diameter: Ф25.0mm Surface Quality: 60-40
Thickness: 3.5mm Diameter Tolerance: +0/-0.1mm
Angle of Incidence: 0.0±2.0°

Thickness Tolerance: ±0.1mm
AngleTuningRange: -0.3% of laser Wavelength Cone Half Angle: <5°
Temperature Dependence: <5ppm/°C Beam Deviation: <30 arc sec.
Operating Temperature: -45°C- 85°C Transmitted Wavefront: 1/4lRMS@633nm (per inch)
Physical Durability: MIL-C-48497A Environmental Durability: MIL-STD-810F
Raman Filter
Part Number
Laser Line
Wavenumbers(/cm)
Passband
RL-4416-25
441.6
<224
447.3-996.1nm
RL-4579-25
457.9
<216
463.9-668.4nm
RL-4730-25
473.0
<209
479.1-1066.9nm
RL-4880-25
488.0
<203
494.3-1100.8nm
RL-5145-25
514.5
<192
521.2-1160.5nm
RL-5320-25
532.0
<186
538.9-1200.0nm
RL-5682-25
568.2
<174
575.6-1281.7nm
RL-6328-25
632.8
<156
641.0-1427.4nm
RL-6471-25
647.1
<153
655.5-1459.6nm
RL-6640-25
664.0
<149
672.6-1497.7nm
RL-7800-25
780.0
<127
790.1-1008.0nm
RL-7850-25
785.0
<126
795.2-1770.7nm
RL-8080-25
808.0
<123
818.5-1822.6nm
RL-8300-25
830.0
<119
840.8-1872.2nm
RL-9800-25
980.0
<101
992.7-2000.0nm
RL-10640-25
1064.0
<93
1077.8-2000.0nm

raman filter