MS257 Grating, Ruled, 600 lines/mm, 225 nm blaze, 200-400 nm range

$Diffraction Gratings for MS257$

Factory grating replacement services are no longer available for the MS257 series, contact your Newport sales representative for details.

The 77743 Grating Assembly is for use with the Oriel^® MS257™ monochromator and imaging spectrograph. This grating is installed by Newport onto either the 77706 Single Grating Mount or 77708 Multiple Grating Mount that can hold up to four gratings (ordered separately). The grating efficiency exceeds 20% over its entire operating range, with a peak efficiency of 60% at its blaze wavelength.

Specifications

Technical Specs

Type
Ruled
Grooves per mm
600
Blaze Wavelength
225 nm
Primary Wavelength Region
200-400 nm
Peak Efficiency
60%

Reciprocal Dispersion
6.4 nm/mm
Multichannel Array Bandpass
163 nm

Type
Ruled
Grooves per mm
600
Blaze Wavelength
225 nm
Primary Wavelength Region
200-400 nm
Peak Efficiency
60%

Reciprocal Dispersion
6.4 nm/mm
Multichannel Array Bandpass
163 nm

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