发明名称 |
System and method to decrease probe size for improved laser ultrasound detection |
摘要 |
The present invention provides a compact optical probe assembly that measures ultrasound in materials. The probe uses angle-terminated optical fiber to direct illumination laser light at the surface of a remote target. Ultrasonic displacements at the surface scatter the illumination laser light. Angle-terminated optical fibers collect phase modulated light and direct the phase modulated light to an optical processor to produce a signal representative of the ultrasonic surface displacements. The probe may also incorporate angle-terminated optical fibers to direct generation laser light to the surface of a remote target to generate ultrasonic surface displacements. Optional shared beam forming element(s) may optically act on the illumination laser and collected phase modulated light.
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申请公布号 |
US7576848(B2) |
申请公布日期 |
2009.08.18 |
申请号 |
US20040018994 |
申请日期 |
2004.12.21 |
申请人 |
LOCKHEED MARTIN CORPORATION |
发明人 |
DUBOIS MARC;DRAKE, JR. THOMAS E.;FOMITCHOV PAVEL |
分类号 |
G01N21/00 |
主分类号 |
G01N21/00 |
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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