Spectroscopy and Spectral Analysis, Volume. 32, Issue 3, 858(2012)

Design of a Controllable Low Temperature Cell and Application

GAO Wei1,2、*, CAO Zhen-song1,2, YUAN Yi-qian1,2, and GAO Xiao-ming1,2
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  • 1[in Chinese]
  • 2[in Chinese]
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    A new cryogenic cell was developed and could operate at any stabilized temperature ranging from room temperature down to 100 K with temperature fluctuation less than ± 1 K. The structure and performance of the cryogenic cell was given in detail and the temperature stability of the sample cell was evaluated. The methane low temperature absorption spectra at 1.65 μm were recorded at 296, 248, 198 and 176 K and while the characteristic of methane low temperature absorption spectra at 6 039.70 cm-1 was given. According to the characteristic of our cryogenic cell, we measured the temperature-dependent exponent n of self-broadening coefficient at 6 039.657 9 cm-1.

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    GAO Wei, CAO Zhen-song, YUAN Yi-qian, GAO Xiao-ming. Design of a Controllable Low Temperature Cell and Application[J]. Spectroscopy and Spectral Analysis, 2012, 32(3): 858

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    Paper Information

    Received: Jul. 19, 2011

    Accepted: --

    Published Online: Apr. 16, 2012

    The Author Email: Wei GAO (gwei06@163.com)

    DOI:10.3964/j.issn.1000-0593(2012)03-0858-04

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