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| {{https://gwdoc.icrr.u-tokyo.ac.jp/DocDB/0074/E1707416/001/DSC_0055.JPG}} | == Configuration (One Arm) == {{https://gwdoc.icrr.u-tokyo.ac.jp/DocDB/0074/E1707416/001/DSC_0055.JPG|ALS Configuration|width=500}} |
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| == To Be Determined == | == To Do == |
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| === Electronics === * Common Mode Servo Board [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=3705|JGW-D1503705]] (ready) * PLL Board (similar to CMB, ordered to AEL) * Phase Frequency Discriminator [[https://dcc.ligo.org/LIGO-D1002476/public|LIGO-D1002476]] (prototype developed at UToyama) * Fast version of IQ Demodulator [[https://dcc.ligo.org/LIGO-E1100044/public|LIGO-E1100044]] (ordered to AEL) * RF Oscillator for PDH [[https://www.keysight.com/ja/pdx-x201911-pn-N5181B/mxg-x-series-rf-analog-signal-generator-9-khz-to-6-ghz?cc=JP&lc=jpn|Keysight N5181B MXG]] (ready) * VCO for PLL [[https://www.keysight.com/ja/pdx-x201773-pn-E8663D/psg-rf-analog-signal-generator-100-khz-to-9-ghz?cc=JP&lc=jpn|Keysight E8663D]] (ready) * Frequency counter (optional) [[https://www.keysight.com/ja/pd-1893411-pn-53220A/350-mhz-universal-frequency-counter-timer-12-digits-s-100-ps?cc=JP&lc=jpn|Keysight 53220A]]? === Optics, Opto-electronics === * Broadband PD for PLL [[https://www.newport.com/p/818-BB-21A|Newport 818-BB-21A]] (1.2 GHz bandwidth) * Resonant PD for green PDH [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=1280|JGW-D1201280]] * AOM and AOM driver (to be determined) * EOM: Qubig xxxxxx (ready) * QPD for green beam pointing? (Use Oplev QPD?) * Picomotor mount? (ordered) === Optics === * Faraday isolator [[https://www.thorlabs.co.jp/thorproduct.cfm?partnumber=IO-5-532-HP|Thorlabs IO-5-532-HP]] (to be ordered) * Periscopes [[https://www.thorlabs.com/navigation.cfm?guide_id=54|Thorlabs Ø1.5inch Post Assembly]] (ready) * Dichroic mirror: LEO DRX-1064/532-45P-UF-2038 (ready) * Harmonic splitter: LEO LWP-45-R532-T1064-UF-2038 (ready) === Fiber optics === * Fiber * Fiber collimator (Tholabs PAF? Fixed focus collimator?) |
Arm Length Stabilization System
Configuration (One Arm)
To Do
List of Items
Electronics
Common Mode Servo Board JGW-D1503705 (ready)
- PLL Board (similar to CMB, ordered to AEL)
Phase Frequency Discriminator LIGO-D1002476 (prototype developed at UToyama)
Fast version of IQ Demodulator LIGO-E1100044 (ordered to AEL)
RF Oscillator for PDH Keysight N5181B MXG (ready)
VCO for PLL Keysight E8663D (ready)
Frequency counter (optional) Keysight 53220A?
Optics, Opto-electronics
Broadband PD for PLL Newport 818-BB-21A (1.2 GHz bandwidth)
Resonant PD for green PDH JGW-D1201280
- AOM and AOM driver (to be determined)
- EOM: Qubig xxxxxx (ready)
- QPD for green beam pointing? (Use Oplev QPD?)
- Picomotor mount? (ordered)
Optics
Faraday isolator Thorlabs IO-5-532-HP (to be ordered)
Periscopes Thorlabs Ø1.5inch Post Assembly (ready)
- Dichroic mirror: LEO DRX-1064/532-45P-UF-2038 (ready)
- Harmonic splitter: LEO LWP-45-R532-T1064-UF-2038 (ready)
Fiber optics
- Fiber
- Fiber collimator (Tholabs PAF? Fixed focus collimator?)