Grating efficiency (1200 l/mm)
Posted: Sat Jul 27, 2019 3:46 pm
Comparison of Thorlabs GR-1204 1200 l/mm blazed 400 nm and Thorlabs GR-1205 1200 l/mm blazed 500 nm :
The 400 nm blaze give 25% more signal at Ca II H&K lines wavelength relative to 500 nm version, and more then 50% near 350 nm.
Of course the 400 nm blaze is not well appropriate for cover visible part.
(measure by comparing laboratory 2900K halogen lamp spectra).
Christian
The 400 nm blaze give 25% more signal at Ca II H&K lines wavelength relative to 500 nm version, and more then 50% near 350 nm.
Of course the 400 nm blaze is not well appropriate for cover visible part.
(measure by comparing laboratory 2900K halogen lamp spectra).
Christian