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HR4000 - Wavelength Ranges & Grating Selection

Grating Selection Chart

The following gratings are available:

Grating #	Application	Lines/mm	Blaze Wavelength	Max. Efficiency (>30%)
H1	UV	600	300 nm	200-575 nm
H2	UV/VIS	600	400 nm	250-800 nm
H3	VIS/Color	600	500 nm	350-850 nm
H4	NIR	600	750 nm	530-1100 nm
H5	UV/VIS	1200	Holographic UV	200-400 nm
H6	NIR	1200	750 nm	500-1100 nm
H7	UV/VIS	2400	Holographic UV	200-500 nm
H9	VIS/NIR	1200	Holographic VIS	400-800 nm
H10	UV/VIS	1800	Holographic UV	200-635 nm
H11	UV/VIS	1800	Holographic VIS	320-800 nm
H12	UV/VIS	2400	Holographic VIS	200-575 nm
H13	UV/VIS/NIR	300	500 nm	300-1100 nm
H14	NIR	600	1000 nm	650-1100 nm

Example - 600 lpm Grating, 5 µm Slit:
If your starting wavelength is at 400 nm, then your spectral range is ~437 nm, which gives you a 400-837 nm wavelength range and 0.239 nm resolution.

Example - 1200 lpm Grating, 5 µm Slit:
If your starting wavelength is at 600 nm, then your spectral range is ~188 nm, which gives you a 600-788 nm wavelength range and 0.104 nm resolution.

Example - 1800 lpm Grating, 5 µm Slit:
If your starting wavelength is at 700 nm, then your spectral range is ~90 nm, which gives you a 700-790 nm wavelength range and 0.050 nm resolution.

Example - 2400 lpm Grating:
If your starting wavelength is at 500 nm, then your spectral range is ~71 nm, which gives you a 500-571 nm wavelength range and 0.038 nm resolution.