Infrared Diffraction Gratings
Optometrics
300 Groove, ML-501, 12.5 X 25 mm, 9.5 mm Thick, Replica Diffraction Grating
Molecular Laser Tuning Diffraction Gratings Specifications | G300MR2.8QGAC
Optical Coating | Aluminum | Grooves Per mm | 300 |
|---|---|---|---|
Optimum Laser Wavelength | 2.8μ | Substrate | Pyrex |
Size (mm) | 12.5 X 25 mm | Size Tolerance | ±0.5 mm |
Thickness | 9.5 mm | Thickness Tolerance | ±0.5 mm |
Grooves Parallel | Short | Scratch/Dig | 60/40 |
Clear Aperture | 90% | Edge Angle | 90° ±0.50° |
Perpendicularity | 90° ±0.50° | Operating Temperature Range | -50° C to +200° C |
Damage Threshold: Pulsed | 3.5 J/cm², 200 nano sec. pulse | Damage Threshold: CW laser | 250 watts/cm² |
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Scanning Digital Monochromator, 850 nm – 2.2 μ
Scanning Digital Mini-Chrom Monochromator Specifications | SDMC1-06G
Operating Range
850 nm – 2.2 μ
f Number
3.9
Focal Length
74 mm
Beam Path
In Line
Resolution with 50μ slits
1.08 nm
Resolution with 100μ slits
2.17 nm
Resolution with 150μ slits
3.25 nm
Resolution with 300μ slits (included)
6.50 nm
Resolution with 600μ slits
13.00 nm
Resolution with 1 mm slits
21.67 nm
Grating Density
600 grooves/mm
Grating Blaze Wavelength
1.6 µ
Linear Dispersion (Center of Range)
21.73 nm/mm
Stray Light
≤ 0.02%
Wavelength Accuracy
± 0.2% of λ
Wavelength Reproducibility
± 0.15%
Wavelength Readability
0.2 nm
Operating Temperature Range
-20° C to +80° C
Damage Threshold: Pulsed
350 mJ /cm², 200 nano sec. pulse
Damage Threshold: CW laser
40 Watt/cm²
