Optical Spectrum Analyzer Modules

Optical Spectrum Analyzer Modules

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Optical Spectrum Analyzer Modules



GouMax’s OSA-100 modules are designed for applications to test and measurement equipment. The OSA product is designed
and produced using GouMax’s proprietary micro-optics and tunable technol
ogy. It measures spectrum of optical signals injected
into the OSA device over the defined operating
wavelength range. From the measured spectrum, critical channel parameters,
such as channel power,
wavelength, or OSNR, can be analyzed. GouMax OSA-family products support various zones of wavelength
range, such as O-band, E-band S-band, C-band, L-band, C+L-band, full band from 1250
nm to 1650 nm and any other customer
specified wavelength range.


GouMax’s OSA-100 module consists of a bandpass tunable optical filter, a photodetector and low noise, high-dynamic range
electronics. When a wide band spectrum is incident to the tunable filter, it
allows a narrow band of input light centered
at a given wavelength to pass through the filter. By alter
ing the central wavelength of pass band of the tunable filter, the
whole input spectrum can be scanned
and spectrum information of incident signal is detected sequentially. The photodetector
converts the
light passing through the filter into electrical current that is then digitized. The data processing unit analyzes
the data and then outputs the spectrum to the customers.





 Single/Dual/Full-Band OSA Modules                                                                                   

Key Features                                                                               Key Applications
  Wide wavelength coverage from 1050 nm to 1670 nm           Hand-held/portable OSA
  High dynamic range                                                                           Transmitter analyzer (SMSR, power, wavelength)
  Accurate power and wavelength                                                 Optical network monitoring
  No moving parts                                                                                  Test and measurement instruments

 
                                                                                    Product Specifications and Key Parameters

        
Parameters
Unit
Specification
Single Band
Dual Band
Full Band
Operating Wavelength Range nm
Up to 45
Up to 90
1250 ~ 1650
Input Power Range dBm
-50 ~ 15
Maximum Input Power dBm
30
Wavelength Resolution
(FWHM)
Type A
nm
0.18
0.35
3.0
Type B
nm
0.10
0.20
1.5
Absolute Wavelength Accuracy 1)
nm
± 0.05
± 0.07
± 0.3
Wavelength Repeatability 1)
nm
± 0.01
± 0.015
± 0.1
Absolute Power Accuracy 1), 2)
dB
± 0.5
± 0.6
± 0.8
Relative Power Accuracy 1), 2)
dB
± 0.4
± 0.5
± 0.6
Power Repeatability 1), 2)
dB
± 0.1
PDL
dB
< 0.3
< 0.5
Noise Floor
dBm
-60
Optical Rejection
Ratio
At 0.4 nm offset
dB
> 30
> 15 3) , >30 4)
> 40 5)
At 1.6 nm offset
dB
> 50
> 50
Optical Return Loss
dB
> 30
Response Time
s
< 1
Power Consumption
W
< 2.0

 Notes:
1) Specs guarantee for input power range only from −40 ~ −10 dBm.
2) Do not include PDL.
3) For Type A.
4) For Type B.
5) At 6 nm offset.



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