Holographic Diffraction Gratings
Optometrics
1800 Groove, VIS Holographic, 50 mm Sq., 9.5 mm Thick, Standard Diffraction Grating
Holographic Diffraction Grating Specifications | G1800HVISMGAS
Optical Coating |
Aluminum |
Grooves Per mm |
1800 |
|---|---|---|---|
Blaze |
VIS |
Groove Angle |
Holographic VIS |
Dispersion @ 500 nm (nm/mr) |
0.5 |
Substrate |
Float Glass |
Size (mm) |
50 mm sq. |
Size Tolerance |
±0.5 mm |
Thickness |
9.5 mm |
Thickness Tolerance |
±0.5 mm |
Scratch/Dig |
60/40 |
Clear Aperture |
90% |
Edge Angle |
90° ±0.50° |
Perpendicularity |
90° ±0.50° |
Operating Temperature Range |
-50° C to +125° C |
Damage Threshold: Pulsed |
350 mJ/cm², 200 nano sec. pulse |
Damage Threshold: CW laser |
40 watts/cm² |
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Scanning Digital Monochromator, 200 – 800 nm
Scanning Digital Mini-Chrom Monochromator Specifications | SDMC1-02
Operating Range
200 – 800 nm
f Number
3.9
Focal Length
74 mm
Beam Path
In Line
Resolution with 50μ slits
0.36 nm
Resolution with 100μ slits
0.73 nm
Resolution with 150μ slits
1.09 nm
Resolution with 300μ slits (included)
2.18 nm
Resolution with 600μ slits
4.36 nm
Resolution with 1 mm slits
7.27 nm
Grating Density
1800 grooves/mm
Grating Blaze Wavelength
250 nm
Linear Dispersion (Center of Range)
7.27 nm/mm
Stray Light
≤ 0.003%
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
