Compact diffraction grating laser wavemeter for cold atom experiments  

作　　者：魏春华 颜树华 张甜 

机构地区：[1]Department of Instrument Science and Technology, College of Mechatronic Engineering and Automation, National University of Defense Technology [2]Interdisciplinary Center for Quantum Information, National University of Defense Technology [3]Xi'an Aerospace Huaxun Technology Co.,LTD.

出　　处：《Optoelectronics Letters》2017年第5期335-338,共4页光电子快报（英文版）

基　　金：supported by the National Natural Science Foundation of China(No.51275523);the Specialized Research Fund for the Doctoral Program of Higher Education of China(No.20134307110009);the Graduate Innovative Research Fund of Hunan Province(No.CX20158015);the Excellent Graduate Innovative Fund of NUDT(No.B150305)

摘　　要：We present an innovative and practical scheme of building a miniaturized wavemeter, with the advantages of low cost, high reliability and simple structure. Through a calibration test by a 780 nm external cavity diode laser(ECDL), the results show that our system gets a wavelength resolution of better than 1 pm, measurement accuracy of better than 2 pm(corresponding to a frequency of 1 GHz), and a measurement range of 8.5 nm. Finally, the multi-mode comparison test between our system and a commercial spectrum analyzer further indicates the high-precision, miniaturization and low cost of the proposed system, which shows that it is particularly suitable for ECDL and atom cooling and trapping experiments. The system design, experimental results and conclusions are of definite significance as a fine reference for other ranges of wavelength.

关 键 词：CALIBRATION Spectrum analyzers Wavemeters 

分 类 号：TN24[电子电信—物理电子学]