Paper
25 November 2009 A kind of detection method for laser warning annunciators based on tunable laser source in hemisphere space
Hongbin Shen, Gang Li
Author Affiliations +
Abstract
Now the detection method of performance data of laser warning annunciators is the conventional target board law of diffuse reflection, this method operation is complex, has poor efficiency, therefore, the study of high efficiency and fast detection method and testing system has important meaning. A method based on tunable simulating laser pulse in hemisphere space has been proposed. In order to simulate a laser subject practically to realize the test for annunciators, the position of a laser source on a hemisphere is controlled, and the output power, wavelength and modulating frequency of the laser source can be adjusted. The locating mechanical structure of the hemisphere surface applying to stepper motor drive has been designed, the software system and the circuit has been developed based on the technique, using AVR microcontroller ATmega16 to fulfill the function of laser power controlling, wavelength adjustment, frequency modulation and position controlling of hemisphere surface. The method and technique are more efficient compared with the former method for it can be realized by the mechanical & electrical conjunction. The mechanical and electrical structures are given and discussed in this paper.
© (2009) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Hongbin Shen and Gang Li "A kind of detection method for laser warning annunciators based on tunable laser source in hemisphere space", Proc. SPIE 7506, 2009 International Conference on Optical Instruments and Technology: Optical Systems and Modern Optoelectronic Instruments, 75061F (25 November 2009); https://doi.org/10.1117/12.837684
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KEYWORDS
Tunable lasers

Optical simulations

Inspection

Modulation

Pulsed laser operation

Laser sources

Light sources

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