THORLABS OSA201 CALIBRATION and THORLABS OSA201 REPAIR

 
A calibration by Custom-Cal is performed by engineers with extensive OEM experience. We have the expertise and the necessary standards to perform the THORLABS OSA201 Calibration, onsite calibration may be available. We specialize in quick turnaround times and we can handle expedited deliveries upon request.

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   THORLABS OSA201   Description / Specification:    
THORLABS OSA201 350 to 1100 nm Optical Spectrum Analyzer

The Thorlabs OSA201 Optical Spectrum Analyzer is a general-purpose instrument that measures optical power as a function of wavelength. It is a Fourier Transform Optical Spectrum Analyzer (FT-OSA), which utilizes a scanning Michelson Interferometer in a push/pull configuration. This approach allows for the design of a full-featured OSA with the additional benefit of a high precision Wavelength Meter.
Specifications.

Wavelength Range: 350 - 1100 nm.
Spectral Resolution: 10 pm (0.25 cm, 7.5 GHz), Broadband FT-OSA Mode.
Wavelength Meter Resolution: 0.1pm, Wavelength Meter Mode Linewidth < 4 GHz.
Display Resolution: System Controlled with User Override, max 0.01 ppm.
Spectral Accuracy: ±2 pm, Broadband FT-OSA Mode.
Wavelength Meter Accuracy: ±1 pm, Wavelength Meter Mode.
Spectral Precision: ±1 pm, Broadband FT-OSA Mode.
Wavelength Meter Precision: 0.1 pm, Wavelength Meter Mode.
Measurement Rate: 2 Hz.
Signal-to-Noise Ratio: >40 dB.
Level Sensitivity: -70 dB.
Input Power (Max): 10 dBm.



 



Related Optical Terms and Definitions. For a complete list go to our  Terms and Definitions Page.

Coherence Length
Average distance over which superimposed waves lose their phase relationships

Linewidth
Linewidth is the width of a spectral line in terms of wavelength, wave number and frequency.

Power Flatness Versus Wavelength
When changing the wavelength at constant power setting and recording the differences between actual and displayed power levels, the power flatness is ± half the span (in dB) between the maximum and the minimum of the measured power levels.

Spectral Width
Spectral Width is the wavelength interval over which the magnitude of all spectral components is equal to or greater than a specified fraction of the magnitude of the component having the maximum value. In optical communications applications, the usual method of specifying spectral width is the full width at half maximum. This is the same convention used in bandwidth, defined as the frequency range where power drops by less than half (at most -3 dB).

Telecom Bands
Optical fiber communications typically operate in a wavelength region corresponding to one of the following Bands. O Band (original): 1260–1360 nm. E Band (extended): 1360–1460 nm. S Band (short wavelengths): 1460–1530 nm. C Band (conventional): 1530–1565 nm. L Band (long wavelengths): 1565–1625 nm. U Band (ultralong wavelengths): 1625–1675 nm


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