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キーワード:
Physics, Optics, physics.optics
要旨:
ALPS II is a light shining through a wall style experiment that will use the
principle of resonant enhancement to boost the conversion and reconversion
probabilities of photons to relativistic WISPs. This will require the use of
long baseline low-loss optical cavities. Very high power build up factors in
the cavities must be achieved in order to reach the design sensitivity of ALPS
II. This necessitates a number of different sophisticated optical and control
systems to maintain the resonance and ensure maximal coupling between the laser
and the cavity. In this paper we report on the results of the characterization
of these optical systems with a 20 m cavity and discuss the results in the
context of ALPS II.
