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   ANDO AQ3150   Description / Specification:    
ANDO AQ3150 Optical Variable Attenuator

The Ando AQ3150 is a highly precise optical variable attenuator, ideal for measurements of optical loss characteristics and transmission error rate in evaluating single-mode fiber-optic communications equipment. The Ando AQ3150 contains a step attenuator for precise optical level adjustments up to 60dB in 0.001 dB steps. The Ando AQ3150 is available in three types; Basic, With monitor output and High return loss type. Specifications. Wavelength: 1200 nm to 1650 nm. Max. attenuation: 60 dB. Attenuation Deviation: ±0.1 dB. Repeatability: ±0.01 dB. Minimum Attnuation Step: 0.001 dB. Switching Time: 500 ms. Inserton Loss: 2.5 dB max. (2.5 dB max. for monitor output type). Return Loss: 45 dB min. (60 dB min. for High return loss type). Maxmum Input Power: +23 dBm. Shutter Isolation: 100 dB. Applicable fiber: SM (10/125 um). GP-IB, complies with IEEE-488.


Standard Calibration $185.00 *
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*This is a Web introductory price for one calibration of the ANDO AQ3150. 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 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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