Simultaneous measurements of <italic>s</italic>- and <italic>p</italic>-polarization reflectivity with a cavity ring-down technique employing no polarization optics

Hao Cui; Bincheng Li; Yanling Han; Jing Wang; Chunming Gao; Yafei Wang

doi:10.3788/COL201715.053101

Chinese Optics Letters, Volume. 15, Issue 5, 053101(2017)

Simultaneous measurements of s- and p-polarization reflectivity with a cavity ring-down technique employing no polarization optics

Hao Cui^1,2, Bincheng Li^1,2、*, Yanling Han², Jing Wang¹, Chunming Gao¹, and Yafei Wang¹

Author Affiliations

¹School of Optoelectronic Information, University of Electronic Science and Technology of China, Chengdu 610054, China

²Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu 610209, China

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Figures & Tables(6)

Fig. 1. Schematic diagram of cw-CRD experimental setup. AOM, acousto-optic modulator; AD, acousto-optic modulator driver; P, polarizer; PZT, three piezoelectric transducers; PC, computer.

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Fig. 2. (a) Theoretical reflectance spectrum of a test mirror in 550–750 nm. (b) Expanded view in 600–670 nm.

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Fig. 3. Measured average reflectance of cavity mirrors versus angle of polarizer orientation.

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Fig. 4. Ring-down signal of the test RDC on a logarithmic scale for different polarization states (a) 45° AOI mirror, (b) 30° AOI mirror.

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Fig. 5. Mean square variance and fitted ring-down time as a function of (a) the s-polarization ring-down time τs of R3, (b) the p-polarization ring-down time τp of R3, (c) the s-polarization ring-down time τs of R4, and (d) p-polarization ring-down time τp of R4.

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Table 1. Comparison of Experimental Reflectance Results of Test Mirrors R3 and R4

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Table 1. Comparison of Experimental Reflectance Results of Test Mirrors R3 and R4

	Reflectance (%)
Polarization State	R3 $s$ -pol.	R3 $p$ -pol.	R4 $s$ -pol.	R4 $p$ -pol.
Random	$99.9988 \pm 0.0001$	$99.9860 \pm 0.0008$	$99.9895 \pm 0.0002$	$99.9488 \pm 0.0026$
$s$ -	$99.9987 \pm 0.0001$		$99.9897 \pm 0.0002$
$p$ -		$99.9851 \pm 0.0006$		$99.9458 \pm 0.0021$
Difference	1 ppm	9 ppm	2 ppm	30 ppm

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Hao Cui, Bincheng Li, Yanling Han, Jing Wang, Chunming Gao, Yafei Wang, "Simultaneous measurements of s- and p-polarization reflectivity with a cavity ring-down technique employing no polarization optics," Chin. Opt. Lett. 15, 053101 (2017)

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Paper Information

Category: Thin films

Received: Dec. 4, 2016

Accepted: Feb. 10, 2017

Published Online: Jul. 23, 2018

The Author Email: Bincheng Li (bcli@uestc.edu.cn)

DOI:10.3788/COL201715.053101

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology