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[[File:LCO700501.jpg|alt=Yokogawa AQ6375|thumb|Yokogawa AQ6375]]'''Yokogawa AQ6375 Optical Spectrum Analyzer (OSA)'''

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[[Category:Instruments]]

== Overview ==

The Yokogawa AQ6375 is a high-performance optical spectrum analyzer designed for precise measurements in the long wavelength band, covering 1200 to 2400 nm (standard and limited models) and 1000 to 2500 nm (extended model). It is particularly suited for applications in environmental sensing, medical research, and telecommunications up to 2.5 µm.

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== Key Features ==

* '''Wavelength Range''': 1200 to 2400 nm (standard and limited models), 1000 to 2500 nm (extended model)[1][4].
* '''High Sensitivity''': Down to -70 dBm, enabling precise measurements of both high and low power sources[2][4].
* '''High Resolution''': 0.05 nm, achieved through a double-pass monochromator structure[2][5].
* '''Wide Dynamic Range''': 55 dB close-in dynamic range, allowing for separate measurement of closely allocated signals and noise[2][4].
* '''Gas Purging Ports''': Minimizes water vapor effects by continuously supplying pure purge gas[1].
* '''Built-In Cut Filter''': Reduces high-order diffracted light by cutting incoming light below 1150 nm[1].
* '''Double Speed Mode''': Increases sweep speed by up to 2 times compared to standard mode, with only a 2 dB penalty to sensitivity[1].
* '''Free Space Optical Input''': Accepts both single-mode and multimode fibers, offering maximum flexibility and reliability[1][4].

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== Applications ==

* '''Environmental Sensing''': Extended wavelength range makes it indispensable for environmental gas sensing[1].
* '''Medical Applications''': Plays a crucial role in medical research and development, including laser spectroscopy[1].
* '''Telecom Band to 2.5 µm''': Supports various applications in this wavelength range, covering the entire spectrum[1].

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== Technical Specifications ==

* '''Sweep Speed''': Fast sweep speed with a maximum sweep time of only 0.5 seconds for a 100 nm span[4].
* '''Fast Auto-Calibration''': Calibration and alignment process takes less than 2 minutes and is fully automatic[4].
* '''High-Speed Measurement''': Proprietary sweep technique and fast microprocessor enable high-speed measurements and data transfer[4].

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== Conclusion ==

The Yokogawa AQ6375 is a versatile and high-performance optical spectrum analyzer that offers exceptional optical performance, making it ideal for a wide range of applications in the long wavelength band.

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== References ==

# '''AssetRelay''': https://assetrelay.com/shop/optical-spectrum-analyzers-osa/9022-yokogawa-aq6375-osa.html
# '''Yokogawa TMI''': https://tmi.yokogawa.com/us/solutions/discontinued/aq6375b-optical-spectrum-analyzer/
# '''Yokogawa TMI''': https://tmi.yokogawa.com/us/library/resources/white-papers/aq6375-optical-spectrum-analyzer-for-long-wavelength-band/
# '''Yokogawa TMI''': https://tmi.yokogawa.com/us/solutions/discontinued/aq6375-optical-spectrum-analyzer/
# '''Yokogawa Technical Reports''': https://www.yokogawa.com/us/library/resources/yokogawa-technical-reports/aq6375-optical-spectrum-analyzer-for-long-wavelength-band/

== Other info ==

* '''Status''': OK
* '''Last known location''': Bancada 2
* '''Serial''': 91PA05186
* '''Inventory ID''': 
* '''Arrival Date''': 01/11/2014
* '''Keywords''': osa novo 2 um microns
* '''Old LCO ID''': LCO700501
* '''Old LCO Category''': Óptico - Analisador de Espectro