发明名称 |
СПЕКТРОМЕТР НА ОСНОВЕ ПОЛУПРОВОДНИКОВОГО ДИОДНОГО ЛАЗЕРА: УСТРОЙСТВО И СПОСОБ |
摘要 |
A method apparatus for sensing gases using a semiconductor diode laser spectrometer, the method comprising: introducing a sample gas into a non-resonant optical cell ( 17 ); applying a step function electrical pulse ( 19 ) to a semiconductor diode laser ( 20 ) to cause the laser ( 20 ) to output a continuous wavelength chirp for injecting ( 16 a) into the optical cell ( 17 ); injecting ( 16 a) the wavelength chirp into the optical cell ( 17 ); using the wavelength variation provided by the wavelength chirp as a wavelength scan, and detecting ( 23 ) light emitted from the cell ( 17 ), wherein a chirp rate is selected to substantially prevent light interference occurring in the optical cell ( 17 ). |
申请公布号 |
RU2004132718(A) |
申请公布日期 |
2005.06.10 |
申请号 |
RU20040132718 |
申请日期 |
2003.04.08 |
申请人 |
КЭСКЕЙД ТЕКНОЛОДЖИЗ ЛТД (GB);НОРМАН Эрван (GB) |
发明人 |
НОРМАН Эрван (GB);ЛЭНГФОРД Найджел (GB);ДАКСБЕРИ Джеффри (GB) |
分类号 |
G01J3/42;G01N1/00;G01N21/03;G01N21/39;H01S5/00;H01S5/34 |
主分类号 |
G01J3/42 |
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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