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Thiết bị LASER  Spectrometer S150-2 Series
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Thiết bị LASER Spectrometer S150-2 Series





Spectrometer S150-2 Series is intended for analysis of optical radiation spectra. The Spectrometer is composed by two spectrographs (channels) which are arranged in one common housing (see the optical layout). Each of the spectrographs is designed around the original vertically-symmetric optical schematic (configuration) offering a focal length of 158 mm and F/9,3. The employment of such an optical schematic ensures low stray light allowing the high quality-image to be obtained on the spectrum flat field.

Each of the S150-2 Spectrometer channels uses a linear multi-element detector. Both of the detectors provide simultaneous detection of spectra from the two spectrographs. Diffraction gratings with different numbers of lines can be used in each channel of the Spectrometer permitting selection of the required spectral (wavelength) range and spectral resolution.
One two-channel optical fiber (one input, two outputs), two single-channel optical fibers or condensers can be used to couple the light into the S150-2 Spectrometer.
With use of a two-channel optical fiber, the light beam is divided into two equivalent parts (channels) to enter the input port of each spectrograph. The light of the same light source is detected in the two channels of the Spectrometer.
The use of two single-channel optical fibers allows the light from two different light sources to be delivered to the device and be detected simultaneously.
The S150-2 Spectrometer is a compact, small-size, reliable, easy to use spectrum analyzer. To run the S150-2, you just need to couple it to the USB-port of a PC and start Control Program “PSI-Line”.
“PSI-Line” Software is a powerful tool to carry out different type-analyses of the obtained spectra. Power supply to the S150-2 Spectrometer is provided through the USB port of a PC.

  • Spherical main mirrors
  • Compact design
  • Wide wavelength range from the UV to near IR
  • High resolution with a small-size spectral device
  • No manipulation with optics to change to another wavelength range
  • Single-module unit with a built-in detectors
  • Laser wavelength control
  • Spectral analysis of other radiation sources
  • Plasma control

SYSTEM
Design:

F/number:
Focal length:
Grating size:
Main mirrors:
Focal plane:
Entrance slit:

two spectrographs in one housing,
vertically-symmetric configuration
9,3
158 mm
15 x 15 x 3 mm
spherical
30 x 0,6 mm
0,025 x 0,6 mm

IMAGING
Imaging spatial resolution (aberration limited):


~30 µm

WAVELENGTH
Grating, l/mm:
Blazing wavelength, nm:
Reciprocal dispersion (average), nm/mm:
Wavelength resolution, nm:
Detectable region, nm:
Wavelength range where grating
efficiency is more than 40%, nm:

400
700
49,3
<0,3
450

470-1100

600
450
33,5
<0,2
310

300-900

1200
280
17,7
<0,1
150

190-560

1800
270
11,8
<0,07
100

190-540

Echelle, 75 l/mm
-
0,3 (200 nm, 120 order)
<0,006
-

190-1100

Each of the specified gratings or other grating can be installed in any of two Spectrographs (channels)

DETECTION SYSTEM
Linear sensor:
Number of pixels:
Width of pixels, µm:
Height of pixels, mm:
Spectral response, nm:
Min. exposure time, ms:
Max. exposure time at 20°C, s:
Min. time between scans, µs:
Dynamic range for 1 scan:
Analog to digital converter:
Synchronization:
Computer interface:

S8378-1024Q
1024
25
0,5
200-1060
2,1
5,0
1,0
3600:1
14 bit, 16384 counts
internal, external
USB

TCD 1304AP
3648
8
0,2
190-1100
7,4
0,5
1,0
1100:1
12 bit, 4096 counts
internal, external
USB

FIBER OPTICS
Optical input:
Fiber optical cable:

Material:
Length:

direct via a condenser or fiber-optical cable
two channels (one common input, two outputs)
one channel (2 pcs: one input, one output)
UV silica; 0,4 mm dia.
0,5 m; 1 m; 2 m (other lengths available)

Overall Size (LxWxH): 200 x 143 x 72 mm; Weight: 2,5 kg

SOFTWARE “PSI-Line” (real time 32 bit, Win’9x/2000/XP):

Spectrometer channels mode: One / Two
Background measurement
Intensity calibration
WL calibration
Scan modes: Single spectrum / Multi spectra
Cyclic (scan) mode: NoneStop / Counter
Integration in WL range

Accumulation: Summing / Averaging
Process of peaks: Find / Measure / Correlation / Report
Smooth spectrum
Photometer mode: Transmission / Absorption
Mathematical processor
Lambda-meter
Data compatibility with MS Office EXCEL



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