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Electro-Optical Instrumentation: Sensing and Measuring with Lasers by Silvano Donati - University of Pavia

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Appendix A1Lasers for Instrumentation

In all instrumentation applications, we want a low-cost, compact laser source capable of supplying the necessary power at the wavelength of operation with the quality of emission required by the application.

The quality of emission may be substantiated by parameters like modal composition, spatial and temporal coherence, wavelength accuracy and repeatability, immunity of emission to external disturbances, etc.

In this appendix, we will review the basic features of a few laser sources relevant to the instrumentation described in the text, that is, He-Ne lasers, semiconductor diode lasers, and diode-pumped, solid-state lasers. Of course, we have no pretense of completeness, but we will discuss parameters of ...

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