ADVANTEST Q8381A REPAIR and ADVANTEST Q8381A CALIBRATION
 
Custom-Cal has a high success rate in the repair of the ADVANTEST Q8381A. A calibration by Custom-Cal is performed by engineers with extensive OEM experience. We have the expertise and the necessary standards to perform the ADVANTEST Q8381A Calibration, onsite calibration may be available. We specialize in quick turnaround times and we can handle expedited deliveries upon request.

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   ADVANTEST Q8381A   Description / Specification:    
ADVANTEST Q8381A 350 to 1750 nm Optical Spectrum Analyzer

The Advantest Q8381A optical spectrum analyzer can analyze a wide wavelength band from 350 to 1750 nm and a wide dynamic range from -85 to + 10 dBm (1.1 to 1.6 um), accommodating measurements on display LEDs and optical devices for communication. In addition, Advantest's unique technology realizes low polarization dependence and a high level measurement accuracy of ± 1.5 dB. In addition to the automatic optimum measurement condition setting, automatic peak search and half- value width measurement functions , the Q8381A mounts the pulse light measuring function, power monitoring function and luminosity compensation display functions for improvement of operation and analysis capabilities. In conventional pulse light measurement, even if a number of averagings is made and the average power of duty ratio is obtained; low level and data missing may result. The Q8381A can measure a wide wavelength range from 1.1 to 1.6 um at a high sensitivity of -85 dBm. Therefore, level measurement for spontaneous emission light from an erbium doped fib er amplifier (EDFA) and wavelength characteristic measurement in combination with white light source can be performed over a wide dynamic range. Specifications. Measurement range: 0.35 to 1.75 um. Resolution: 0.1 , 0.2, 0.5, 1.0, 2.0, 5.0 nm. Accuracy: ± 0.5 nm (23 ± 5 C), 1.0 nm (10 to 40 C). Repeatability: 0.1 nm or less (during one-minute repetitive sweep). Measurement range (input sensistivity): -75 to +10 dBm (0.7 to 1.6 um). Level Accuracy: ± 1.5 dB or less (at wavelength of 0.633, 1.31, and 1.55 um). Linearity: ±0.5 dB/ 20 dB or less, ±1.0 dB/ 40 dB or less. Scale: 0.2, 0.5, 1.0, 2.0, 5.0, 10.0 dB/DIVand linear. Measurement time: 0.8 sec or less (with a span of 200 nm or less), 1.5 sec or less (with a span of 500 nm or less).



 

Standard Calibration $915.00 *
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*This is a Web introductory price for one calibration of the ADVANTEST Q8381A. 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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