ANDO AQ-4137B REPAIR and CALIBRATION

 
Custom-Cal has a high success rate in the repair of the ANDO AQ-4137B. We specialize in quick turnaround times and we can handle expedited deliveries upon request.

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   ANDO AQ-4137B (AQ4137B)   Description / Specification:    
ANDO AQ-4137B Stabized Light Source

The Ando AQ-4137B Stabized Light Source can accommodate up to two channels. Both LED and LD light source units of various wavelengths are available to allow many configurations. Incorporation of a thermostat/ temperature compensation circuit ensures high optical output level stability. Since the output level can be attenuated up to 6dB in steps of 0.1dB, the AQ-4137B can be used for accurate characteristics measurements at the same optical output level, etc. Features. Plug-in-type unit allows a wide choice of light source units-both LED and LD-with various wavelengths(660, 850, 1300, 1310, 1550, 1310/1550 nm). Optical output level can be attenuated from 0 to 6dB continuously (in steps of 0.1dB). Capable of producing CW light and 270Hz chopped light. GPIB standard. Internal modulation frequency: Square wave 270Hz ± 0.5Hz



 

Standard Calibration $185.00 *
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*This is a Web introductory price for one calibration of the ANDO AQ-4137B. Price does not in most cases include measurement performance data. Pricing does include NIST traceable calibration and issue of a calibration certificate and calibration label. Pricing may vary slightly due to volume and location of laboratory supporting calibration. Volume pricing may apply. On-site fees may apply depending on logistics, location and volume of work to be completed during the visit.


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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