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S200-MF

Imaging Spectrometer
Imaging Spectrometer S200-MF
FEATURES

S200-MF is a new-generation spectrometer with high spectral and spatial resolution across the entire area of commercially available 2D (array) image sensors.

  • Ideal astigmatism compensation across the entire focal plane;
  • Synchronous spectra imaging from two up to dozens optical fibers;
  • Integrated CCD-array and custom software for multi- channel optical spectroscopy;
  • Embedded mechanical shutter synchronized with the detector for processing continuous signals;
  • Perfect system for hyperspectral imaging.А.

 

S200-MF
DESCRIPTION

S200-MF is a new-generation spectrometer with high spectral and spatial resolution across the entire area of commercially available 2D (array) image sensors.

Due to innovative optical bench and specially designed optics with aberration correction the S200-MF spectrometer features complete compensation of astigmatism both in the center of detector’s sensitive area and at its edges. This allows connecting a multi-fiber optical bundle to the entrance slit of the spectrometer and acquiring spectra from several fibers simultaneously. Maximum number of optical fibers in the bundle depends on the height of sensor area and on fiber diameter. When using standard sensors as large as 6 mm tall a number of simultaneously analyzed fibers may reach several dozens.

S200-MF has a fixed entrance slit and can operate either with optical fibers, or without them. At direct input of radiation into the spectrometer an image from the analyzed area is projected directly on the entrance slit, and the detector acquires spectral information from this area with high spatial resolution.

The S200-MF spectrometer ensures perfect flat field and high image quality at any point at the center of the detector and at its edges. Compact size and short-focal-length optical bench of S200-MF allow synchronous imaging of the wide spectral range which is limited only by the detector spectral sensitivity.

S200-MF: Hg lamp spectrum acquired with eight optical fibers in 250-600nm spectral range.

S200-MF: Hg lamp spectrum acquired with eight optical fibers in 250-600nm spectral range.

 

S200-MF can also be used to get spectral images from a linear section of sample in an optical microscope. When moving the analyzed object in the microscope with XY scanning stage 2D-hyperspectral images can be acquired.

SPECIFICATIONS
Download SPECIFICATIONS
SPECTROMETER MODEL S200-MF
Spectral range 200÷1100 nm
Focal length 191 mm
Aperture ratio 1 : 8.5
Entrance slit (one to choose) Fixed width: 20, 30, 50 or 100 µm
Spectral resolution Depends on selected diffraction grating (see table below)
CCD-detector model S10140-1109
Number of pixels 2068 x 512
Number of active pixels 2048 x 506
Pixel size 12 x 12 µm
Active area size 24.576 x 6.072 mm
Maximum spectral response 600 nm
Maximum quantum efficiency >90 %
Non-uniformity of spectral response (1) ±3 %
Anti-blooming (2) Yes
ADC 16 bit, 250 kHz
Mean-square reading noise, ADC counts < 12
Dynamic range ~ 5 400 : 1
Exposure time 8,3 ms — 3 s (3)
Frame processing time in the binning mode 9,39 ms
TE cooling No
Operating temperature 10÷30 0Ñ
Computer interface Full Speed USB
Synchronization IN/OUT
Requirements to External sync pulse:
polarity positive
amplitude 3-15 V
FWHM 5-20 µs
sync connector BNC-58
Triggering pulse parameters:
polarity positive
amplitude 3-5 V
FWHM 10 µs
Mechanical shutter (for operation with continuous signals, option)
open/close time < 15 ms
min. time between openings 80 ms
Optical input multicore optical fiber (fiber specification is to be agreed on)
without fiber
Dimensions, weight 283 x 129 x 123 mm, 4.4 kg

1) signal level — 50% of saturation.

2) anti-blooming – sensor feature eliminating overflow of charges from the over-exposed pixels to the neighboring ones.

3) maximum storage time is deemed to be the time at which dark signal makes up 10% of the dynamic range at the ambient temperature +250Ñ.

 

RECOMMENDATIONS FOR CHOOSING A DIFFRACTION GRATING

At the time of placing your order you should choose grating grooves density (i.e. spectral resolution of your instrument), as well as the spectral range for operation.

Imaging Spectrometer S200-MF

For your convenience the table below lists the average values of grating dispersion, spectral resolution and multichannel array bandpass. Contact a Solar LS specialist for getting more precise parameters of your spectrometer.

Diffraction gratings, lmm 200 300 400 600
max spectral range, nm 200 – 1100 nm
multichannel array bandpass (average), nm 600 400 300 200
reciprocal linear dispersion (average), nm/mm 25.3 16.8 12.7 8.4
spectral resolution (average), nm* 1.2 0.9 0.6 0.45

*Spectral resolution is indicated for the entrance slit 20 µm wide.

 

EXAMPLE: If you are interested in 400-700nm spectral range (300nm multichannel array bandpass), you may choose 400lmm diffraction grating and get the average spectral resolution of 0.6nm.

 

Overall dimension of the S200-MF Spectrometer.

OPTIONS & ACCESSORIES

Applications for spectrometers with multi-fiber input nowadays include spectrophotometry, plasma physics, biology, etc. A range of applications constantly expands.

Thus, with S200-MF you can record synchronously not a single spectrum as traditional spectrometers do, but two, five, ten, twenty or more spectra in accordance with requirements of your application.

S200-MF: Deuterium lamp spectra acquired with 21-fiber bundle prove high spectral resolution (image above) and spatial resolution (image below).

S200-MF can also be used to get spectral images from a linear section of sample in an optical microscope. When moving the analyzed object in the microscope with XY scanning stage 2D-hyperspectral images can be acquired.

S200-MF: Simultaneous analysis of spectra from several optical fibers.

S200-MF: Acquiring hyperspectral images in the optical microscope.

S200-MF: High resolution across the entire focal plane

S200-MF: High resolution across the entire focal plane.

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