MCS Flex

The MCS FLEX employs an imaging grating, an optical input and a CCD or PDA sensor array. The core of the spectrometer is a blazed flat-field grating for light dispersion and imaging.

Product Info benefits design specifications further reading

Product Info

The MCS FLEX System is built for mobile high performance measurement;. It delivers precise results in the lab as well s during process monitoring. The flexible design makes it suitable for many applications, and it can be directly integrated into at-line, on-line and in-line inspection processes. Depending on the specific application, different designs of the central body are available. Cross-section converters and detectors can easily be customized on request.

Components of the MCS FLEX family

Fiber cross-section converter and/or slit as optical input
Imaging, aberration-corrected grating
Photo diode array or back-thinned CCD as opto-electronic output are attached to a central body
Interfaces, processing software and support

benefits

design

Silicon diode array S3904-1024Q from Hamamatsu is applied (MCS FLEX PDA)
Diode array is directly coated with dielectric cut-off filters to suppress higher orders
Back-thinned CCD S7301-1006Q from Hamamatsu is used to offer excellent direct sensitivity to UV light (MCS FLEX CCD)
Integrated Peltier element to reduce dark current
Central body made of special aluminum alloy
Aberration-corrected grating, the cross section converter or mechanical slit and the detector directly attached to the housing for robustness and outstanding stability
Holographically blazed, flat field gratings
Holographic aberration corrected gratings achieve plane spectra with a length of about 25 mm
Diffraction efficiency of the gratings is optimized by reactive ion beam etching (RIBE)
Fibers with numerical apertures up to 0.22 can be used as optical input
Fiber-bundle cross-section converter converts a circular light beam into a slot-shaped light beam
Total size of the slit is adapted to the pixel size of the sensor array and to the imaging and dispersing properties of the flat field grating
Fan cooled heat sink

specifications

	MCS FLEX PDA	MCS FLEX CCD
Optical entrance	Cross section converter	Cross section converter
Input round	diameter = 0.5 mm, NA = 0.22, (has to be filled for full specification) mounted in SMA-coupling	diameter = 0.5 mm, NA = 0.22, (has to be filled for full specification) mounted in SMA-coupling
Grating	Flat-field correction 248 l / mm (center), blazed for approx. 250 nm 750 nm NIR version	Flat-field correction 248 l / mm (center), blazed for approx. 250 nm
Diode array	Hamamatsu S 3904-1024Q; 1,024 pixels	Hamamatsu S 7031-1006; 1,044 x 64 pixels
Spectral range	190-1,015 nm (other options available)	190-980 nm (other options available)
Wavelength accuracy	0.3 nm	0.5 nm
Temperature - induced drift	< 0.009 nm/K	< 0.009 nm/K
Mean spectral pixel pitch	Δ λ pixel ≈ 0.8 nm	Δ λ pixel ≈ 0.8 nm
Resolution	Δ λ FWHM ≈ 3-4 nm	Δ λ FWHM ≈ 3-4 nm
Straylight	≤ 0.1 % measured at 340 nm with deuterium lamp (transmission of NaNO2 solution, 50g/l, 1 cm)	≤ 0.1 % measured at 340 nm with Deuterium lamp (transmission of NaNO2 solution, 50g/l, 1 cm)
Dimensions	160.3 x 62 x 122.2 mm³	198 x 68 x 122 mm³ (long Cross Section Converter) 160.3 x 68 x 122 mm³ (short Cross Section Converter)