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22 April 1993 Displaying the energy distribution of Airy disk on an oscilloscope
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Proceedings Volume 1834, Laser Energy Distribution Profiles: Measurement and Applications; (1993)
Event: Applications in Optical Science and Engineering, 1992, Boston, MA, United States
The energy distribution of Airy disk includes a lot of usef ul information of optical systems, through researchers and engineers in the field have developed several kinds of systems to measure the distribution < )). More convenient and low cost system is still required for general optics-related lab. In this paper , a microprocessor-based system for displaying three dimensional energy distribution of Airy disk on oscilloscope is discribed. A laser beam (to be measured ) goes on to a linear CCD camera which is on a table driven by a stepping motor. The output of the camera is received by a signal condition ing circuit and then to an A/D converter which is one of the interfaces of the microprocessor . CCD sensor drive and control , signal processing and signal output to an oscilloscope through D/ A converter is the task of the microprocessor. The sensor pixel area is l 4µm X 14µm , the resolution in X direction is 14µm , a superresolution arithematic method is emploied in Y direction , it leads to 2µm resolution , the method is discribed in detail in this paper. An experimental setup has also been developed • the Airy disk of a 0. 1mm diameter microhole dif fraction pattern has been measured with this setup , the resu lt has been analysed.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Wenliang Gao "Displaying the energy distribution of Airy disk on an oscilloscope", Proc. SPIE 1834, Laser Energy Distribution Profiles: Measurement and Applications, (22 April 1993);

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