发明名称 |
PROCEDE D'ETALONNAGE EN LONGUEUR D'ONDE D'UN DISPOSITIF DE FILTRAGE D'UN RAYONNEMENT ELECTROMAGNETIQUE |
摘要 |
The invention concerns a method for wavelength calibration of an electromagnetic radiation filtering device (16) included in an apparatus (10; 32) measuring spectral transmission of a propagating medium external to said apparatus and wherein said radiation flows through, said filtering device having spectral transmission tuneable on a wavelength range based on the value of a physical parameter. The invention is characterised in that it consists in: selecting at least one absorbing gaseous line which is always present in natural form in the propagation medium and whereof the corresponding wavelength is included in said filtering device tunability wavelength range; and in calibrating the filtering device with respect to said at least one absorbing gaseous line which is used as natural reference.
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申请公布号 |
FR2776771(A1) |
申请公布日期 |
1999.10.01 |
申请号 |
FR19980003716 |
申请日期 |
1998.03.24 |
申请人 |
SCHLUMBERGER INDUSTRIES SA |
发明人 |
DOMINGUEZ DIDIER;GRASDEPOT FRANCOIS |
分类号 |
G01J3/26;G01J3/28;G01N21/35;(IPC1-7):G01J3/26;G01N33/00 |
主分类号 |
G01J3/26 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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