Presentation describes our new spectrometer

1. Rapid Metrology
FSM Confidential Material 1
www.frontiersemi.com fsm100@frontiersemi.com
Cooled High Resolution Near
Infrared Spectrometer
for OCT and other
Demanding Applications
Frontier Semiconductor
9/4/17

2. Rapid Metrology
FSM Confidential Material 2
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How does it look like

3. Rapid Metrology
FSM Confidential Material 3
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How does it look like mechanical, electrical,
and optical interfaces
USB communication cable
Optical fiber Input
Power Supply

4. Rapid Metrology
FSM Confidential Material 4
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Key specifications of a Spectrometer
Spectrometer Specification
Optical bench Czerny-Turner, 100mm focal length
Spectral range 1296 nm~1329 nm
detector TE cooled, InGaAs, 25 μm X 500 μm
resolution 0.2nm
grating 1200 lines/mm
Integration time 1 ms ~ 10 sec
S/N ratio 337097
sensitivity 73326 counts/μW/ms (integral 1296nm to 1329nm)
A/D converter 16 bits, 250kHz
Power supply 7.5VDC, 2A
Dimension, Weight 203mmX280mmX134mm,

5. Rapid Metrology
FSM Confidential Material 5
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Key detector specifications
Detector Specification
Material InGaAs
size of pixel 25μm X 500μm ( SU512-LDB)
spectral range (um) 0.8 to 1.7
quantum efficiency at 1.3μm (%) 75 min
dark current(pA) at 25°C 2.8 max
dark output (V/s) at 25°C 0.068 typ, 0.28 max
Noise 800 to 10000 electrons/√scan
Conversion Efficiency(nV/e) 15.4 typ, 10.5 min
Thermo electrically cooled 1 stage
Number of defect pixels 0

6. Rapid Metrology
FSM Confidential Material 6
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Software package
1. FSM8108.exe –
executable file
2. FSMLocalCfg.ini file –
configuration file
3. cbw32.dll – data
acquisition board DLL file
4.
BackgroundSpectrum.txt –
last saved background
spectrum file
5. ReferenceSpectrum.txt
– last saved reference
spectrum file
6. Wavelengths.txt – last
saved wavelengths file

7. Rapid Metrology
FSM Confidential Material 7
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Software Development Kit (SDK)
1. FSM8108.h – header file, to be
included into the user’s application
2. FSM8108.lib – LIB file, to link
to the user’s application
3. FSM8108.dll – DLL file, to use
during user’s application run
4. FSMLocalCfg.ini file –
configuration file for DLL
5. cbw32.dll – data acquisition
board DLL file
6. BackgroundSpectrum.txt – last
saved background spectrum file
7. ReferenceSpectrum.txt – last
saved reference spectrum file
8. Wavelengths.txt – last saved
wavelengths file

8. Rapid Metrology
FSM Confidential Material 8
www.frontiersemi.com fsm100@frontiersemi.com
Examples of spectra
12400
12600
12800
13000
13200
13400
1295 1300 1305 1310 1315 1320 1325 1330
Arb.Intensity
wavelength(nm)
Fabry Perot Etalon Spectrum
-1000
0
1000
2000
3000
4000
5000
6000
7000
1295 1300 1305 1310 1315 1320 1325 1330
Arb.Intensity
Wavelength(nm)
Laser

9. Rapid Metrology
FSM Confidential Material 9
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Outline drawings of a Spectrometer

10. Rapid Metrology
FSM Confidential Material 10
www.frontiersemi.com fsm100@frontiersemi.com
Next Steps:
1. Please contact us at
http://frontiersemi.com
2. Please email us at
fsm100@frontiersemi.com of
waleckiw@frontiersemi.com or call us
at 408 432 8838