On the effects of the time gate position and width on the signal-to-noise ratio for detection of Raman spectrum in a time-gated CMOS single-photon avalanche diode based sensor
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- 作者：Ilkka Nissinen ; ilkka.nissinen@ee.oulu.fiAuthor Vitae ; Jan NissinenAuthor Vitae ; Pekka Kerä ; nenAuthor Vitae ; Juha KostamovaaraAuthor Vitae
- 关键词：SPAD detector ; Raman spectroscopy ; Time gating ; Single photon counting
- 刊名：Sensors and Actuators B: Chemical
- 出版年：2017
- 出版时间：31 March 2017
- 年：2017
- 卷：241
- 期：Complete
- 页码：1145-1152
- 全文大小：1835 K
- 卷排序：241
文摘
Signal-to-noise ratio optimization in time-gated Raman spectroscopy is proposed. The optimum time gate depend on the ratio of Raman to fluorescence photons. Acceptable timing in-homogeneities of 2-D SPAD detector arrays can be estimated.