Transmission Grating Beamsplitters
Optometrics
80 Groove, Transmission Grating Beamsplitter, 25 mm Sq., 3 mm Thick
Transmission Grating Beam Splitter Specifications | TGB80-25
Optical Coating |
Aluminum |
Grooves Per mm |
80 |
|---|---|---|---|
632.8 nm Efficiency at -2nd Order |
5% Nominal |
632.8 nm Efficiency at -1st Order |
25% Nominal |
632.8 nm Efficiency at 0th Order |
25% Nominal |
632.8 nm Efficiency at +1st Order |
25% Nominal |
632.8 nm Efficiency at +2nd Order |
5% Nominal |
Substrate |
B-270 |
Size (mm) |
25 mm Sq. |
Size Tolerance |
±0.5 mm |
Thickness |
3 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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Manual Tunable Light Source Specifications | TLS-6M-110
Control
Manual
f Number
3.9
Focal Length
74 mm
Beam Path
In Line
Grating Density
1200 grooves/mm
Grating Blaze Wavelength
400 nm
Linear Dispersion (Center of Range)
11.15 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
Wavelength Range
360 – 800 nm
