在1550 nm波段精确表征VCSEL，在10µs内波长调谐范围为12 nm，作为快速传感器系统的光源

IF 0.8 Q4 INSTRUMENTS & INSTRUMENTATION

Journal of Sensors and Sensor Systems Pub Date : 2022-06-15 DOI:10.5194/jsss-11-161-2022

R. Kruglov, G. Saur, R. Engelbrecht

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引用次数: 2

摘要

摘要波长调谐范围可达12 nm已经达到12 µs泵浦电流脉冲，可用时间为10 µ应用于1550附近近红外工作的VCSEL nm。用干涉仪测量了瞬时光学频移；然后用光谱分析仪验证了整个调谐范围。电流脉冲的重复率可以高达20 kHz，而对扫描参数几乎没有影响。这些结果可用于快速光谱气体分析或用于快速干涉扫频源距离传感器。

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Precise characterization of VCSEL in the 1550 nm band having a wavelength tuning range of 12 nm within 10 µs as light sources for fast sensor systems

Abstract. A wavelength tuning range up to 12 nm has been achieved over 12 µs pump current pulses within a usable time of 10 µs applied to VCSELs operating in the near infrared around 1550 nm. The instantaneous optical frequency shift has been measured with an interferometric setup; the overall tuning range has then been verified with an optical spectrum analyzer. The repetition rate of the current pulses can be as high as 20 kHz with almost no influence on the sweep parameters. These results can be used for fast spectroscopic gas analysis or for rapid interferometric swept-source distance sensors.

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来源期刊

Journal of Sensors and Sensor Systems INSTRUMENTS & INSTRUMENTATION-

CiteScore

2.30

自引率

10.00%

发文量

审稿时长

23 weeks

期刊介绍： Journal of Sensors and Sensor Systems (JSSS) is an international open-access journal dedicated to science, application, and advancement of sensors and sensors as part of measurement systems. The emphasis is on sensor principles and phenomena, measuring systems, sensor technologies, and applications. The goal of JSSS is to provide a platform for scientists and professionals in academia – as well as for developers, engineers, and users – to discuss new developments and advancements in sensors and sensor systems.