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19–24 Feb 2007
Univ. of Technology
Europe/Zurich timezone

A New Method to Produce Laser Calibration Beams in Gaseous Detectors

Not scheduled
20m
HS1 (Univ. of Technology)

HS1

Univ. of Technology

Wiedner Hauptstrasse 8-10 Vienna, Austria
Board: A49
Poster (Session A)

Speaker

Alexei Lebedev (Brookhaven National Lab)

Description

A new method utilizing diffraction of UV laser beams on annular diaphragms provides very narrow laser beams with full diameter 100-400 mm, divergence ∼0.05 mrad and effective length up to 10 meters, which exceeds existing methods with focusing optics. The characteristics of laser beams and linear ionization created with different diaphragm sizes are present. Optics schemes proposed to create a system with new beams.

Primary author

Alexei Lebedev (Brookhaven National Lab)

Presentation materials