| 光谱学与光谱分析 |
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| Improvement of Grating Spectrograph and Its Application to Frequency-Doubling in PPLN |
| ZHOU Jun1, 2，3，LOU Qi-hong1，ZHU Xiao-zheng1，DONG Jing-xing1，YE Zhen-huan1，WEI Yun-rong1 |
1. Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
2. Department of Physics, Changshu College, Changshu 215500, China
3. Graduate School of Chinese Academy of Sciences，Beijing 100039, China |
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Abstract Charge-coupled device (CCD) has been widely used in spectral detection and spectral imaging fields, which has a number of benefits: broad spectral range response, low detection limit, wide dynamic range, minimal dark current and readout noise as well as the abilities of signal integration, simultaneous multichannel detection, and real-time detection. The combination of a traditional one meter grating spectrograph and a science charge-coupled device (CCD) led to a real-time grating spectrograph for laser spectrum detection developed in this paper. Based on the new grating spectrograph, the spectral characteristic of frequency-doubling of a broad band double-cladding fiber laser in polarized lithium niobate (PPLN) has been investigated. Dynamic spectrum of the second harmonic with varying temperature of PPLN has been observed and analyzed in detail.
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Received: 2003-08-26
Accepted: 2004-01-10
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Corresponding Authors:
ZHOU Jun
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| Cite this article: |
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ZHOU Jun,ZHU Xiao-zheng,DONG Jing-xing, et al. Improvement of Grating Spectrograph and Its Application to Frequency-Doubling in PPLN [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2004, 24(11): 1473-1475.
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| URL: |
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http://www.gpxygpfx.com/EN/Y2004/V24/I11/1473 |
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