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SUMMARY:Dark matter Axion search with riNg Cavity Experiment DANCE:  Desig
 n and development of auxiliary cavity for simultaneous resonance of linear
  polarizations
DTSTART;VALUE=DATE-TIME:20210901T171500Z
DTEND;VALUE=DATE-TIME:20210901T173000Z
DTSTAMP;VALUE=DATE-TIME:20260716T012034Z
UID:indico-contribution-15890@indico.ific.uv.es
DESCRIPTION:Speakers: Hiroki Fujimoto (Department of Physics\, University 
 of Tokyo)\nAxion-like particles (ALPs) are undiscovered pseudo-scalar part
 icles that are candidates for ultralight dark matter. ALPs interact with p
 hotons slightly and cause the rotational oscillation of linearly polarized
  light. DANCE searches for ALP dark matter by amplifying the rotational os
 cillation with a bow-tie ring cavity. \n	The sensitivity of the current pr
 ototype experiment DANCE Act-1 is degraded by around 3 orders of magnitude
  due to the resonant frequency difference between s- and p- polarizations 
 in the bow-tie ring cavity.The simultaneous resonance of linear polarizati
 ons is necessary to amplify both the carrier field and the ALP signal\, an
 d to achieve the design sensitivity.\n	In order to tune the resonant frequ
 ency difference\, a method of introducing an auxiliary cavity was proposed
 . We are now introducing the idea of the auxiliary cavity to DANCE Act-1. 
 In this conference\, we will report on the design\, the control scheme and
  the current status of the auxiliary cavity of DANCE Act-1.\n\nhttps://ind
 ico.ific.uv.es/event/6178/contributions/15890/
LOCATION:
URL:https://indico.ific.uv.es/event/6178/contributions/15890/
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