Hook method: improvement and simplification of the experimental setup
Applied Optics, Vol. 22, Issue 22, pp. 3500-3502 (1983)
http://dx.doi.org/10.1364/AO.22.003500
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Abstract
The conventional experimental setup used to measure anomalous dispersion by the hook method has been modified by replacing the spectrograph by a single grating in combination with a camera. The grating is used for diffraction angles close to π/2 rad, and the focal distance for projection of the hook spectrum is 4 m. The high dispersion thus obtained (typically 200 mm/nm) considerably facilitates the use of the hook method for diagnostic purposes. Further, it is demonstrated that, for such large diffraction angles, a focusing element after diffraction at the grating can be avoided without losing too much sharpness in the hook spectrum.
© 1983 Optical Society of America
Citation
P. van de Weijer and R. M. M. Cremers, "Hook method: improvement and simplification of the experimental setup," Appl. Opt. 22, 3500-3502 (1983)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-22-22-3500
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