Miniature image converter streak cameras for measurement of temporal characteristics of optical pulses in nano- and picosecond ranges

The problem of investigating the temporal structure of optical pulses in nano- and picosecond ranges and measuring their temporal characteristics is considered. In order to solve the problem, measuring instruments of temporal characteristics of optical pulses have been created – the miniature image converter streak cameras having picosecond temporal resolution. The functional capabilities and application examples of the cameras are described. Operating principle, design, features and functions of the created cameras are considered. The technological process of manufacturing of the image converter streak tubes for the image converter streak cameras implemented on the unique high-vacuum technological complex is described. Features of the software used to control the image acquisition process as well as for processing and analysis of the images captured by the image converter streak cameras, are considered. Metrological and main technical specifications of the miniature image converter streak cameras are given. Using the miniature image converter streak camera, the temporal structure of emission of a semiconductor pulsed laser was investigated, the pulse shape was determined and the pulse duration was measured with error estimation. It is demonstrated that the miniature picosecond image converter streak cameras are effective instruments for emission parameters control of nano- and picosecond pulsed lasers during their development, setup, tests and operation. The information about real temporal shape of laser pulses obtained by means of image converter streak cameras is relevant for designers of pulsed lasers as well as for specialists in laser ranging and spectroscopy.

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