SNR Improvement of QEPAS System by Preamplifier Circuit Optimization and Frequency Locked Technique

Qinduan ZHANG; Jun CHANG; Zongliang WANG; Fupeng WANG; Fengting JIANG; Mengyao WANG

Photonic Sensors, 2018, 8 (2): 127, Published Online: Aug. 4, 2018

SNR Improvement of QEPAS System by Preamplifier Circuit Optimization and Frequency Locked Technique

Qinduan ZHANG ¹Jun CHANG ^1,*Zongliang WANG ²Fupeng WANG ¹Fengting JIANG ¹Mengyao WANG ¹

Author Affiliations

¹ School of Information Science and Engineering and Shandong Provincial Key Laboratory of Laser Technology and Application, Shandong University, Jinan, 250100, China

² School of Physics Science and Information Technology and Shandong Key Laboratory of Optical Communication Science and Technology, Liaocheng University, Liaocheng, 252059, China

Suppl. Mat.

Qinduan ZHANG, Jun CHANG, Zongliang WANG, Fupeng WANG, Fengting JIANG, Mengyao WANG. SNR Improvement of QEPAS System by Preamplifier Circuit Optimization and Frequency Locked Technique[J]. Photonic Sensors, 2018, 8(2): 127.