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bKAGRA phase1 における、 In bKAGRA phase1,

 * Investigate the projection of the environmental noise effect to the sensitivity of KAGRA interferometer
 * Characterize the effect of the scattering light
 * Morphologically study the environmental noise waveform

(bKAGRA phase1 における、
Line 9: Line 15:
 * 雑音の形態学的スタディ  * 雑音の形態学的スタディ)
Line 18: Line 24:
 * Measuring coupling functions between environmental noise and interferometer signal
 * Measuring environmental noise using several sensors
 * Spectrogram of the interferometer signal during injection
Line 19: Line 29:
 * Narrow down coupling locations
 * Narrow down environmental noise source locations
 * Switch off test
 * Identify line noise sources
 * RF noise measurement around RF modulation sideband frequencies.
  * [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/MIFIOOInterfaces|RF modulation sideband frequency list]]

=== Candidates of measurement points ===
 * PSL
 * IMC (mirrors, refl table)
 * IFI
 * PRM
 * BS
 * ETMX/Y (1F,2F)
 * TMS (both end)
 * WAB
 * Arms

(including racks of each points for control and DAQ.)
Line 23: Line 52:
Before bKAGRA phase1 run (Detailed date has not been fixed): Preparation

After bKAGRA phase1 run (Detailed date has not been fixed): Injection test in tunnel

After injection test: Analysis, make report, (if possible) write paper

== Sensors information ==

== Meeting ==
 * 2017/12/06 Project started
 * 2017/12/26 Rehearsal of rehearsal
 * Before bKAGRA phase1 run (Detailed date has not been fixed): Preparation
 * 2018/01/11-12: Preparation of reharsal
 * 2018/02/13-15 (option 2/16): Rehearsal of PEM injection (end-to-end test, maybe without actual injection)
 * After bKAGRA phase1 run (Detailed date has not been fixed): Injection test in tunnel (4 days)
 * After injection test: Analysis, make report, (if possible) write paper

== Sensors and instruments information ==
=== Common ===
||Items ||Numbers ||Part Number ||Need to order ||Ordered ||We have ||JGW S-number ||Comment ||
||Amplifier ||1 ||QSC RMX5050a ||No ||No ||Yes ||[[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7540|S1707540]]|| ||
||Head set ||6 ||[[https://www.monotaro.com/g/02888875/?t.q=SHSBE23|BSHSBE23]]||No ||Yes ||No ||N/A || ||
||Small accelerometer ||several ||KISTLER Accelerometer Type 8640A5 ||No ||No ||Yes ||[[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7227|List]],[[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7218|S1707218]],[[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7219|7219]],[[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7221|7221]],[[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7222|7222]] || ||
||Laser accelerometer ||1 ||Not known ||No ||No ||Yes? ||N/A ||RION ||
||Clay(?) to fix accelerometer ||a few ||Not known ||No ||No ||Yes? ||N/A || ||
||Cables and connectors ||many ||Not known ||Partially need? ||No ||Partially no? ||N/A || ||
||Low noise filter ||1 ||Not known ||Need ||No ||No ||N/A ||Like SR560. Hand made? ||
||Function generator ||1 ||AFG3022C ||No ||No ||Yes ||N/A || ||


=== Acoustic injection ===
||Items ||Numbers ||Part Number ||Need to order ||Ordered ||We have ||JGW S-number ||Comment ||
||Large speaker ||2 ||JBL JRX212 ||No ||No ||Yes ||[[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7645|S1807645]], [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7646|7646]] ||[[http://asia.jblpro.com/www/products/portable-market/jrx200-series#.WhbMP0pl93h|URL]] ||
||Small speaker (PZT) ||1 ||Not known ||Need ||No ||No ||N/A ||(If possible) ||
||Microphone ||1 ||B&K 4188 + 2671 (case) + 1704 (pre-amp) ||No ||No ||Yes ||N/A || ||
||MIcrophone2||2||AT-VD6 + AT-MA2 (amp)||No||No||Yes||(VD6)[[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7647|S1807647]],[[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7648|7648]] (MA2)[[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7649|S1807649]],[[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7650|7650]]|| ||
||Seismometer ||1 ||Trillium compact 120-SV1 ||No ||No ||Yes ||[[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7526|S1707526]] || ||
||Earplug ||6 ||[[https://www.monotaro.com/p/3709/4854/|イヤーマフ H7B]] ||No ||Yes ||No ||N/A || ||
||Rubber stack ||8 ||[[https://jp.misumi-ec.com/vona2/detail/221000018475/|KE-25 (Misumi)]] ||No ||Yes ||No ||N/A ||(If possible.) ||
||Horn ||1 ||Not known ||Need ||No ||No ||N/A || ||
||Impulse hammer||1 ||GK-4110G20 ||No ||Yes ||No ||N/A || (Maybe not necessary in phase1)||

=== Magnetic injection ===
||Items ||Numbers ||Part Number ||Need to order ||Ordered ||We have ||JGW S-number ||Comment ||
||Large Coil ||1 ||Not known ||No ||Yes ||No ||N/A ||a few Ohms, ~1 m dia. ||
||Small Coil ||1 ||Not known ||Need ||No ||No ||N/A ||(If possible) ||
||Magnetometer ||2 ||Mag-13MCL100 +amplifier ||No ||No ||Yes ||[[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7535|S1707535]],[[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7536|7536]],[[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7537|7537]],[[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7538|7538]],[[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7539|7539]]||[[http://www.bartington.com/Literaturepdf/Datasheets/Mag-13%20DS3143.pdf|URL (pdf)]] ||
||Small magnetometer ||1 ||Mag649 ||No ||No ||Yes ||N/A ||[[https://granite.phys.s.u-tokyo.ac.jp/wiki/Lab/index.php?AndoLabInstrumentsMag649|Ando lab's instrument]], 3 axes can be measured||


=== Shaker injection ===
||Items ||Numbers ||Part Number ||Need to order ||Ordered ||We have ||JGW S-number ||Comment ||
||Large Magnet coil shaker ||1 ||Not known ||No ||No ||Yes ||N/A ||NAOJ ||
||Small shaker ||2 ||LW142.FS-2 ||No ||Yes ||No ||N/A || ||
||Mallet ||1 ||Not known ||No ||Yes ||Yes ||N/A || ||


=== Others ===
||Items ||Numbers ||Part Number ||Need to order ||Ordered ||We have ||JGW S-number ||Comment ||
||RF antenna ||2 ||Not known ||Need ||No ||No ||N/A ||Could be made ourselves? ||
||RF signal amplifier ||2 ||Not known ||Need ||No ||No ||N/A ||Could be made ourselves? [[http://www.rk-microwave.com/jp/products/PA.php|R&K]]とかは? ||
||RF generator ||1 ||Not known ||Need ||No ||No ||N/A ||(If possible. Can Moku:Lab be used?) ||
||RF spectrum analyzer ||1 ||Not known ||No ||No ||Yes ||N/A ||Moku:Lab ||


== To be prepared ==
 * CDS (Real time model, DAC, ADC, DQ)
 * Calibration (Sensors, DAC, ADC)
  * ADCの入力インピーダンスは10 kΩ (ref. [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=779|JGW-T1200779]] or Shoda-san's PhD thesis.)
 * Analysis code to calculate coupling function (peaks, comb, broad)
 * Spectrogram tools
   * http://klog.icrr.u-tokyo.ac.jp/osl/?r=1816
 * MEDM

== Calibration ==
 * ADC: (for single-ended sensors) 20/2^15^ V/count, (for differential sensors) 10/2^15^ V/count
  * input impedance 10 kΩ
 * Small magnetometer (Mag649, Range +/-100 uT): 30 mV/uT (from manual)
 * Microphone (BRÜEL & KJÆR 4188): 31.6 mV/Pa (from manual)
 * Microphone2 (AUDIO-TECHNICA AT-VD6): ~320 mV/Pa (with Max gain, from measurement)

 * photosensor for toy pendulum (リハーサルのインジェクション対象): 1.12 V/mm (@4.2mm(micrometer), [[http://granite.phys.s.u-tokyo.ac.jp/shimoda/KAGRA/PEM/reharsal/PSresponse.png|from measurement]])

== Number of usable channel for each rack ==
★ 最低限なにかしらのDAQがほしい場所

 1. MC、PRエリア(IMC0ラックに寄生?)
 1. BS、SRエリア(PR2ラックに寄生?+追加のADCはここ)
 1. IXCエリア(WABラックに寄生?)
 1. IYCエリア(WABラックに寄生?)
 1. EXCエリア(???誰)
 1. EYCエリア(???誰)
 1. IXVエリア(TypeAラック、CryoP?)
 1. IYVエリア(TypeAラック、CryoP?)
 1. EXVエリア(TypeAラック、CryoP?)
 1. EYVエリア(TypeAラック、CryoP?)
 1. Xアーム (PX1ラックに寄生?)
  * BNCの配線を考えると、コレぐらいのエリアが最低限で現実的。
  * 最初はざっくり10枚ADCがほしいとリクエストしてみましたが、無理でした。

== To do list ==
Currently, to do list is managed in github project (github issue): https://github.com/gw-analysis/detector-characterization

Current milestone: PEM injection rehearsal (by 2018/02/16)
 * Obtain S/N on JGWdoc for all PEM related things, e.g. sensors, actuators, amplifiers, non-standard cables.
 * アナログ回路(~10 kHzの早いインジェクション用)を作る。
 * 確保できるチャンネル数の中で、やること/できることを具体化する。
 * センサー・アクチュエータ類のキャリブレーション。
  * 主にコイル(他はマニュアルを信じる) --> 長野
 * 磁束計Mag13のセットアップ --> 田中
 * コイルの作製 --> 長野
 * MEDM画面の作成 --> 誰か+シフト
  * フィルターバンクに各センサーのキャリブレーションファクターを入れておく。
  * イメージはこんな感じ。[[attachment:MEDMdesign_PEMinjectionVer2.png]]
 * エンドでの作業手順(2階へのものの搬入、クリーンブース内の中2階へのアクセス方法等)をTypeAチームに相談する。
  * Xエンド2階へはT3で、Yエンド2階へはキャタピラ付きのキャリー(名称不明)で坂を登って運び入れている(by奥富さん)。

== Results ==
 * [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/DET/PEMinjection/bKAGRA-phase1/result_20171226|Rehearsal of rehearsal on 26th Dec., 2017]]
 * [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/DET/PEMinjection/bKAGRA-phase1/result_20180216|Rehearsal between 12 and 16 Feb., 2018]]

== Meetings ==
 * [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/DET/PEMinjection/bKAGRA-phase1/meeting_20171206|2017/12/06 Kick-off meeting]]
 * [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/DET/PEMinjection/bKAGRA-phase1/meeting_20171212|2017/12/12 Detchar meeting]]
 * [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/DET/PEMinjection/bKAGRA-phase1/meeting_20171219|2017/12/19 Detchar meeting]]
 * [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/DET/PEMinjection/bKAGRA-phase1/meeting_20171225|2017/12/25 Small meeting for rehearsal of rehearsal]]
 * [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/DET/PEMinjection/bKAGRA-phase1/meeting_20171228|2017/12/28 Evaluation meeting of rehearsal of rehearsal]]
 * [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/DET/PEMinjection/bKAGRA-phase1/meeting_20180116|2018/01/16 Detchar meeting]]
 * [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/DET/PEMinjection/bKAGRA-phase1/meeting_20180123|2018/01/23 Detchar meeting]]
 * [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/DET/PEMinjection/bKAGRA-phase1/meeting_20180208|2018/02/08 Detchar meeting (only for PEM injection)]]

Next meeting is 2018/2/8 13:00-- Detchar meeting

== What has been done ==
 * Consider how many DAC, ADC, CH are required at each measurement point.
 * 大きい加振機の所在を麻生さんに確認。
 * Differential input/output of CDS. (CDSの差動入出力への対応。)
 * Consider how many people are required.
 * 解析コードを作る人手を確保。
 * 磁束計の検討 --> 長野
 * ホワイトニングフィルターの確保 --> 端山
 * 山本さんにCALで似たようなコードを作ってないか確認する。
 * Calibrate sensors and actuators.
  * Consider how to calibrate them.
 * Consider how to connect all instruments.
  * Ground problem. (各実験エリア(特にエンド)でのグラウンドの確認。)
 * Make analysis codes --> Hayama, Pil-jong
 * Gather all required instruments listed in above tables.
 * 持っている機器、買う必要がある機器の確認し、見積りを取る。-->長野
 * 小さい加振機の検討。
  * 例えば、https://www.monotaro.com/g/02599650/ とか、https://www.toyo.co.jp/mecha/products/detail/themodalshop-2002e.html#link3 とか、http://www.arbrown.com/em/products/labworks/FG-142.pdf とか。
  * 必要ならRobertに聞いてみる。
 * 各エリアで確保できるデジタルのチャンネル数の確認。--> EXC: 端山、EXV: 端山、IMC0: 三代、BS: OK
 * 予行演習・本番測定の人手の確保。
 * ラックの状況をまとめる --> 三代
 * 加振機の確保 --> 三代・端山
 * 既存のセンサー・アクチュエータのリスト化 --> 端山(シフトコール)
 * Detcharの計算機にPython(vertualenv環境)をインストールする。-->端山・Pil-jong
 * アンプ(QSC RMX5050a)の入出力コネクターを作る。(2セットずつ)
  * 入力:BNC-U字端子(止めネジ径:M3?)+ U字端子-U字端子(GNDと-の接続用)[[https://jp.rs-online.com/web/p/crimp-ring-terminals/6048086/|これとか]]
  * 出力:BNC-バナナプラグ(約φ4)[[https://jp.rs-online.com/web/p/bnc-test-leads/1759315/|これとか]]

== Paper plan ==
  [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/DET/PEMinjection/bKAGRA-phase1/paper_plan|Only for collaboraters]]
 * 腕方向の地面振動のキャビティ的蓄積

PEM injection in bKAGRA phase1

(Description will be translated to English at some point)

Aims

In bKAGRA phase1,

  • Investigate the projection of the environmental noise effect to the sensitivity of KAGRA interferometer
  • Characterize the effect of the scattering light
  • Morphologically study the environmental noise waveform

(bKAGRA phase1 における、

  • 干渉計感度への環境雑音の影響のプロジェクション
  • 散乱光のキャラクタリゼーション
  • 雑音の形態学的スタディ)

Injection types

  • Acoustic injection (AcI)
  • Magnetic injection (MaI)
  • Shaking injection (ShI)

What we want to do

Necessary

  • Measuring coupling functions between environmental noise and interferometer signal
  • Measuring environmental noise using several sensors
  • Spectrogram of the interferometer signal during injection

If possible

  • Narrow down coupling locations
  • Narrow down environmental noise source locations
  • Switch off test
  • Identify line noise sources
  • RF noise measurement around RF modulation sideband frequencies.

Candidates of measurement points

  • PSL
  • IMC (mirrors, refl table)
  • IFI
  • PRM
  • BS
  • ETMX/Y (1F,2F)
  • TMS (both end)
  • WAB
  • Arms

(including racks of each points for control and DAQ.)

Schedule

(VERY ROUGH)

  • 2017/12/06 Project started
  • 2017/12/26 Rehearsal of rehearsal
  • Before bKAGRA phase1 run (Detailed date has not been fixed): Preparation
  • 2018/01/11-12: Preparation of reharsal
  • 2018/02/13-15 (option 2/16): Rehearsal of PEM injection (end-to-end test, maybe without actual injection)
  • After bKAGRA phase1 run (Detailed date has not been fixed): Injection test in tunnel (4 days)
  • After injection test: Analysis, make report, (if possible) write paper

Sensors and instruments information

Common

Items

Numbers

Part Number

Need to order

Ordered

We have

JGW S-number

Comment

Amplifier

1

QSC RMX5050a

No

No

Yes

S1707540

Head set

6

BSHSBE23

No

Yes

No

N/A

Small accelerometer

several

KISTLER Accelerometer Type 8640A5

No

No

Yes

List,S1707218,7219,7221,7222

Laser accelerometer

1

Not known

No

No

Yes?

N/A

RION

Clay(?) to fix accelerometer

a few

Not known

No

No

Yes?

N/A

Cables and connectors

many

Not known

Partially need?

No

Partially no?

N/A

Low noise filter

1

Not known

Need

No

No

N/A

Like SR560. Hand made?

Function generator

1

AFG3022C

No

No

Yes

N/A

Acoustic injection

Items

Numbers

Part Number

Need to order

Ordered

We have

JGW S-number

Comment

Large speaker

2

JBL JRX212

No

No

Yes

S1807645, 7646

URL

Small speaker (PZT)

1

Not known

Need

No

No

N/A

(If possible)

Microphone

1

B&K 4188 + 2671 (case) + 1704 (pre-amp)

No

No

Yes

N/A

MIcrophone2

2

AT-VD6 + AT-MA2 (amp)

No

No

Yes

(VD6)S1807647,7648 (MA2)S1807649,7650

Seismometer

1

Trillium compact 120-SV1

No

No

Yes

S1707526

Earplug

6

イヤーマフ H7B

No

Yes

No

N/A

Rubber stack

8

KE-25 (Misumi)

No

Yes

No

N/A

(If possible.)

Horn

1

Not known

Need

No

No

N/A

Impulse hammer

1

GK-4110G20

No

Yes

No

N/A

(Maybe not necessary in phase1)

Magnetic injection

Items

Numbers

Part Number

Need to order

Ordered

We have

JGW S-number

Comment

Large Coil

1

Not known

No

Yes

No

N/A

a few Ohms, ~1 m dia.

Small Coil

1

Not known

Need

No

No

N/A

(If possible)

Magnetometer

2

Mag-13MCL100 +amplifier

No

No

Yes

S1707535,7536,7537,7538,7539

URL (pdf)

Small magnetometer

1

Mag649

No

No

Yes

N/A

Ando lab's instrument, 3 axes can be measured

Shaker injection

Items

Numbers

Part Number

Need to order

Ordered

We have

JGW S-number

Comment

Large Magnet coil shaker

1

Not known

No

No

Yes

N/A

NAOJ

Small shaker

2

LW142.FS-2

No

Yes

No

N/A

Mallet

1

Not known

No

Yes

Yes

N/A

Others

Items

Numbers

Part Number

Need to order

Ordered

We have

JGW S-number

Comment

RF antenna

2

Not known

Need

No

No

N/A

Could be made ourselves?

RF signal amplifier

2

Not known

Need

No

No

N/A

Could be made ourselves? R&Kとかは?

RF generator

1

Not known

Need

No

No

N/A

(If possible. Can Moku:Lab be used?)

RF spectrum analyzer

1

Not known

No

No

Yes

N/A

Moku:Lab

To be prepared

  • CDS (Real time model, DAC, ADC, DQ)
  • Calibration (Sensors, DAC, ADC)
    • ADCの入力インピーダンスは10 kΩ (ref. JGW-T1200779 or Shoda-san's PhD thesis.)

  • Analysis code to calculate coupling function (peaks, comb, broad)
  • Spectrogram tools
  • MEDM

Calibration

  • ADC: (for single-ended sensors) 20/215 V/count, (for differential sensors) 10/215 V/count

    • input impedance 10 kΩ
  • Small magnetometer (Mag649, Range +/-100 uT): 30 mV/uT (from manual)
  • Microphone (BRÜEL & KJÆR 4188): 31.6 mV/Pa (from manual)

  • Microphone2 (AUDIO-TECHNICA AT-VD6): ~320 mV/Pa (with Max gain, from measurement)
  • photosensor for toy pendulum (リハーサルのインジェクション対象): 1.12 V/mm (@4.2mm(micrometer), from measurement)

Number of usable channel for each rack

★ 最低限なにかしらのDAQがほしい場所

  1. MC、PRエリア(IMC0ラックに寄生?)
  2. BS、SRエリア(PR2ラックに寄生?+追加のADCはここ)
  3. IXCエリア(WABラックに寄生?)
  4. IYCエリア(WABラックに寄生?)
  5. EXCエリア(???誰)
  6. EYCエリア(???誰)
  7. IXVエリア(TypeAラック、CryoP?)
  8. IYVエリア(TypeAラック、CryoP?)
  9. EXVエリア(TypeAラック、CryoP?)
  10. EYVエリア(TypeAラック、CryoP?)
  11. Xアーム (PX1ラックに寄生?)
    • BNCの配線を考えると、コレぐらいのエリアが最低限で現実的。
    • 最初はざっくり10枚ADCがほしいとリクエストしてみましたが、無理でした。

To do list

Currently, to do list is managed in github project (github issue): https://github.com/gw-analysis/detector-characterization

Current milestone: PEM injection rehearsal (by 2018/02/16)

  • Obtain S/N on JGWdoc for all PEM related things, e.g. sensors, actuators, amplifiers, non-standard cables.
  • アナログ回路(~10 kHzの早いインジェクション用)を作る。
  • 確保できるチャンネル数の中で、やること/できることを具体化する。
  • センサー・アクチュエータ類のキャリブレーション。
    • 主にコイル(他はマニュアルを信じる) --> 長野

  • 磁束計Mag13のセットアップ --> 田中

  • コイルの作製 --> 長野

  • MEDM画面の作成 --> 誰か+シフト

    • フィルターバンクに各センサーのキャリブレーションファクターを入れておく。
    • イメージはこんな感じ。MEDMdesign_PEMinjectionVer2.png

  • エンドでの作業手順(2階へのものの搬入、クリーンブース内の中2階へのアクセス方法等)をTypeAチームに相談する。
    • Xエンド2階へはT3で、Yエンド2階へはキャタピラ付きのキャリー(名称不明)で坂を登って運び入れている(by奥富さん)。

Results

Meetings

Next meeting is 2018/2/8 13:00-- Detchar meeting

What has been done

  • Consider how many DAC, ADC, CH are required at each measurement point.
  • 大きい加振機の所在を麻生さんに確認。
  • Differential input/output of CDS. (CDSの差動入出力への対応。)
  • Consider how many people are required.
  • 解析コードを作る人手を確保。
  • 磁束計の検討 --> 長野

  • ホワイトニングフィルターの確保 --> 端山

  • 山本さんにCALで似たようなコードを作ってないか確認する。
  • Calibrate sensors and actuators.
    • Consider how to calibrate them.
  • Consider how to connect all instruments.
    • Ground problem. (各実験エリア(特にエンド)でのグラウンドの確認。)
  • Make analysis codes --> Hayama, Pil-jong

  • Gather all required instruments listed in above tables.
  • 持っている機器、買う必要がある機器の確認し、見積りを取る。-->長野

  • 小さい加振機の検討。
  • 各エリアで確保できるデジタルのチャンネル数の確認。--> EXC: 端山、EXV: 端山、IMC0: 三代、BS: OK

  • 予行演習・本番測定の人手の確保。
  • ラックの状況をまとめる --> 三代

  • 加振機の確保 --> 三代・端山

  • 既存のセンサー・アクチュエータのリスト化 --> 端山(シフトコール)

  • Detcharの計算機にPython(vertualenv環境)をインストールする。-->端山・Pil-jong

  • アンプ(QSC RMX5050a)の入出力コネクターを作る。(2セットずつ)
    • 入力:BNC-U字端子(止めネジ径:M3?)+ U字端子-U字端子(GNDと-の接続用)これとか

    • 出力:BNC-バナナプラグ(約φ4)これとか

Paper plan

  • 腕方向の地面振動のキャビティ的蓄積

KAGRA/Subgroups/DET/PEMinjection/bKAGRA-phase1 (last edited 2018-07-11 20:03:44 by KojiNagano)