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July 1997


Optical Parametric Tunable, Generators: Powerful & Ultrafast

OPOs and OPAs offer a promising method for tuning wavelengths using ultrafast lasers. Piskarskas discusses the history, development, technical design challenges of, and outlook for, these devices.

Test and Measurement: Spatial Profile, Power, Wavelength and Linewidth Measurement Computerizations Alternatives

Forrest discusses the trade-offs of stand-alone instruments versus integrated measurement systems for the measurement of beam power, spatial distribution, linewidth, and wavelength parameters. He also anticipates future trends in computerized instrumentation.

Light Guide Fibers: Problems and Prospects

The authors discuss the new insights and instruments that allow glass researchers to understand, predict, and improve fiber behavior and lifetimes.

Get green: Fun with thin film interference

This article describes how to make your own monochromatic lamp for less than $25 and then gives you some fun experiments you can conduct with Newton rings and other thin film effects. For those with a higher budget, an improved design is described that can be made for about $85.


Other content is not available for issues prior to 2002. Please contact opn@osa.org to request specific articles.


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