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3 Grating Monochromator

Features:

·Worm-drive

·Spectral scanning with filter changing automatically by stepping motors

·Multi-grating turret

·Nitrogen input plug

·High coherence

Specifications：

Focal Length	300mm
F/#	F/4.8
Wavelength Accuracy	±0.2nm(using 1200g/mm grating)
Wavelength Repeatability	0.05nm(using 1200g/mm grating)
Resolution（FWHM）	0.1nm(measuered at 435.8nm with slits 10μm wide & 2mm high，using 1200g/mm grating 〔Chinese National standard〕)
Dispersion	2.7nm/mm（using 1200g/mm grating）
Stray Light	5×10-4
Minimum Step	0.0023nm
Spectral Range	185nm-infrared (using different gratings)
Standard 3 Gratings	1200g/mm,λp=300nm；600g/mm,λp=750nm；300g/mm,λp=1250nm
Grating Size	55mm×55mm
Slits Size	Wide from 10μm to 3mm；14mm high
Size	390mm×278mm×204mm
Weight	18kg