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Input/Output Optics subgroup

This document outlines the ongoing development and testing activities related to the input/output optics for the iLCGT. We will utilize commercial laser products to facilitate a smooth setup. Prior to the installation of the input optical system into the tunnel, we will conduct tests at various locations to ensure performance standards. The installation process is expected to be completed within two months following tunnel finalization. Key test steps include mode matching, servo alignment, and specific equipment setups.

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Input/Output Optics subgroup

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  1. Input/Output Optics subgroup • Current Members • S. TELADA (AIST) • S. MIYOKI (ICRR) • T. UCHIYAMA (ICRR) • O. MIYAKAWA (ICRR) • N. MIO (U-Tokyo) • S. MORIWAKI (U-Tokyo) • N. OHMAE (U-Tokyo) • K. IZUMI (U-Tokyo) • K. SOMIYA (Titech) • T. AKUTSU (NAO) • E. HIROSE (ICRR) • S. NAGANO (NICT) • S. SAKATA (UEC) • M. MUSHA (UEC) Contact: Souichi TELADA <souichi.telada@aist.go.jp> f2f meeting IOO

  2. Schedule for iLCGT • We will use commercial product laser, in order to setup iLCGT smoothly. • And the input optics system will be tested at somewhere before completion tunnel. • Installation of the input optical system into tunnel will be done within two months. Tunnel completion 2014 2012 2013 May Jun. Apr. Apr. Apr. Jul. Aug. Sep. . . . Laser Room Test of Input System Installation Modify Pre-MC RefCav Mode matching to MC Input optics MC Isolator (vac.) MMT MC servo MC alignment f2f meeting IOO

  3. Test of Input Optics System • First Step • Using commercial product laser. • Develop pre-MC and RefCav. • Test of mode matching. Pre Mode Cleaner 42W Laser AOM EOPM Reference Cavity f2f meeting IOO

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