• KAGRA
• Subgroups
• CRY
• CRYpmeeting

Clear message

Cryogenic integration and payload meetings

back to CRY top

General Descriptions

Here are slides and minute for Cryogenic integration and payload meetings.

Design drawings

• ・ Preliminary design of Type-A suspension system (cryogenic seismic attenuation system) for KAGRA sapphire mirrors(T. Sekiguchi, E. Hirose)

• ・ Cryostat, cryoduct, and vacuum chamber for Type A in CAD(S. Koike)

• ・ Components in KAGRA radiation shield(S. Koike)

• ・ CAD drawing for clean booth(Shinji Miyoki)

• ・ Wide-angle baffle(prototype)(T. Akutsu)

Schedule about cryogenic payload

• ・ Schedule(K. Yamamoto)

• Figure about cryogenic payload (It should be replaced).

Action Items list

• Action Item List

---

Cryogenic integration and payload meetings (2014 October 7th ICRR)

• Domestic Collaborator Meeting on Oct. 15
• Practice Talk of Ph.D defense.
• Payload CAD is under updating. We have weekly work-meeting.

• ・Minutes(K. Yamamoto)

Cryogenic integration and payload meetings (2014 September 17th ICRR)

• ・Minutes(K. Yamamoto)

Cryogenic integration and payload meetings (2014 September 9th ICRR)

• ・HCB breaking test(D. Chen)

• ・Minutes(K. Yamamoto)

Cryogenic integration and payload meetings (2014 September 2nd ICRR)

• ・Status of duct shields performance test(Y. Sakakibara)

• ・Bending length evaluation(D. Chen)

• ・Minutes(K. Yamamoto)

Cryogenic integration and payload meetings (2014 August 26th ICRR)

• ・ Sapphire suspension(D. Chen)

• ・ Analysis of clamps and nail head-Indium layer(R. Kumar)

• ・ CAD of sapphire mirror w/ side cut: mirror 図面.pdf

• ・ Dummy mirror:

  • * CAD SUS dummy mirror.pdf

  • * Simulation KAGRA-test-mirror-mode.pdf

• ・ Platform mode simulation KAGRA-Platform-mode.pdf

• ・Minutes(K. Yamamoto)

Cryogenic integration and payload meetings (2014 August 5th ICRR)

• ・ Thermal noise performance of the cryogenic sapphire suspension system for the KAGRA detector (R. Kumar)

• ・ Q measurement of indium bonding (D. Chen)

• ・ Minutes(K. Yamamoto)

Cryogenic integration and payload meetings (2014 July 23rd ICRR)

• ・ Minutes(K. Yamamoto)

Cryogenic integration and payload meetings (2014 July 15th ICRR)

• ・ Cryo-payload Status(R. Kumar)

• ・ Minutes(K. Yamamoto)

Cryogenic integration and payload meetings (2014 July 8th ICRR)

• ・ Q measurement of sapphire fibers(Dan Chen)

• ・ Minutes(K. Yamamoto)

Cryogenic integration and payload meetings (2014 June 24th ICRR)

• ・ Minutes(K. Yamamoto)

Cryogenic integration and payload meetings (2014 June 17th ICRR)

• ・ Minutes(K. Yamamoto)

Cryogenic integration and payload meetings (2014 June 10th ICRR)

• ・ Minutes(K. Yamamoto)

Cryogenic integration and payload meetings (2014 June 3rd ICRR)

• ・ Minutes(K. Yamamoto)

Cryogenic integration and payload meetings (2014 May 20th ICRR)

• ・ Minutes(K. Yamamoto)

Cryogenic integration and payload meetings (2014 May 13th ICRR)

• ・ Available Cryostat for Heat Switch to Reduce Cooling Time(T. Tomaru)

• ・ 5N purity tungsten wire for backup mirror suspension -­‐High Temperature Annealing-­(T. Tomaru)

• ・ Control system(K. Yamamoto)

• ・ Sapphire Monolithic Suspension (D. Chen)

• ・ Minutes(K. Yamamoto)

Cryogenic integration and payload meetings (2014 Apr. 30th ICRR)

• ・ Minutes(K. Yamamoto)

Cryogenic integration and payload meetings (2014 Apr. 22nd ICRR)

• ・ Sapphire Monolithic Suspension (D. Chen)

Cryogenic integration and payload meetings (2014 Apr. 15th ICRR)

• ・ Minutes(K. Yamamoto)

Cryogenic integration and payload meetings (2014 Apr. 8th ICRR)

• ・ Minutes(K. Yamamoto)

Cryogenic integration and payload meetings (2014 Mar. 18th ICRR)

• ・ Sapphire Monolithic Suspension Strategy (D. Chen)

• ・ Minutes(K. Yamamoto)

Cryogenic integration and payload meetings (2014 Mar. 11th ICRR)

• ・ Minutes(K. Yamamoto)

Cryogenic integration and payload meetings (2014 Mar. 4th ICRR)

• ・ Simulation for the load on the floor of radiation shield and design of cryo duct on the ceiling of radiation shield(T. Tomaru)

• ・ Monolithic suspension(D. Chen)

• ・ Minutes(K. Yamamoto)

Cryogenic integration and payload meetings (2014 Feb. 25th ICRR)

• ・ Payload installation layout and Discussion(T. Tomaru)

• ・ Minutes(K. Yamamoto)

Cryogenic payload meeting (2014 Feb. 18th ICRR)

• ・ CAD drawing for clean booth(Shinji Miyoki)

• ・ Vibration via heat links(Dan Chen)

• ・ Minutes(K. Yamamoto)

Cryogenic payload meeting (2014 Feb. 4th ICRR)

• ・ Latest version of A/I list of AOS-MIR-CRy meeting with K. Yamamoto's comments

• ・ Indium(A. Khalaidovski)

• ・ Minutes(K. Yamamoto)

Cryogenic payload meeting (2014 Jan. 28th ICRR)

• ・ Slides for cryogenic payload meeting (2014.1.28)(strategies of cryo payload and indium welding)(T. Tomaru)

• ・ Cryogenic payload design - 2 (Cradle sapphire suspension)(R. Kumar)

• ・ Control(D. Chen)

• ・ Minutes(K. Yamamoto)

Cryogenic payload meeting (2014 Jan. 21st ICRR)

• ・ 10Hz- 30Hz sensitivity(Detchar meeting)

• ・ "Backup" plan(K. Yamamoto)

• ・ Control(D. Chen)

• ・ Minutes(K. Yamamoto)

Cryogenic payload meeting (2014 Jan. 14th ICRR)

• ・ Control(D. Chen)

• ・ Thermal conductivity measurement of heat links(Y. Sakakibara)

• ・ Minutes(K. Yamamoto)

Cryogenic payload meeting (2014 Jan. 7th ICRR)

• ・ Preliminary design of Type-A suspension system (cryogenic seismic attenuation system) for KAGRA sapphire mirrors(T. Sekiguchi, E. Hirose)

• ・ Control(D. Chen)

• ・ サファイアHCB 再接合強度(T. Suzuki)

• ・ Minutes(K. Yamamoto)

Cryogenic payload meeting (2013 Dec. 24th ICRR)

• ・ Noise (vibration via heat link, thermal noise) of cryo payload(T. Uchiyama, K. Yamamoto)

• ・ 10-20Hzの影響について(K. Hayama)

• ・ Control(D. Chen)

• ・ エポキシ樹脂からの脱ガス Outgas from Epoxy resin(T. Suzuki)

• ・ Minutes(K. Yamamoto)

Cryogenic payload meeting (2013 Dec. 17th ICRR)

• ・ Simulation with control system(T. Sekiguchi)

• ・ Sapphire blade spring (R. Kumar)

• ・ Control(D. Chen)

• ・ 10-20Hzの影響について(K. Hayama)

• ・ Calculation of thermal radiation from SAS hole(Y. Sakakibara)

• ・ Friction Coefficient of Sapphire Surface(T. Suzuki)

• ・ Components in KAGRA radiation shield(S. Koike)

• ・ AdhesiveTest(T. Suzuki)

• ・ Minutes(K. Yamamoto)

Cryogenic payload meeting (2013 Dec. 10th ICRR)

• ・ Control(D. Chen)

• ・ Minutes(K. Yamamoto)

Cryogenic payload meeting (2013 Dec. 3rd ICRR)

• ・ Strategies for sapphire monolithic suspension 2(K. Yamamoto)

• ・ Vibration via heat link (T. Sekiguchi)

• ・ Control(D. Chen)

• ・ Minutes(K. Yamamoto)

Cryogenic payload meeting (2013 Nov. 26th ICRR)

• ・ Strategies for sapphire monolithic suspension(K. Yamamoto)

• ・ Vertical blade metal spring (R. Takahashi)

• ・ Control(D. Chen)

• ・ Minutes(K. Yamamoto)

Cryogenic payload meeting (2013 Nov. 19th ICRR)

• ・ Modeling of Type-A Vibration Isolation System (T. Sekiguchi)

• ・ Vertical spring (blade metal spring)(H. Ishizaki)

• ・ Control(D. Chen)

• ・ Minutes(K. Yamamoto)

Cryogenic payload kickoff meeting (2013 Nov. 15th ICRR)

• ・ Toward KAGRA cryogenic mirror system design(E. Hirose)

• ・ Strategies for suspension: HC bonding and indium welds - Status and required R&D(A. Khalaidovski)

• OSEM and stepping motor (D. Chen)

• Minutes (C. Tokoku and K. Yamamoto)

20th cryogenic payload meeting (2013 Feb. 6 ICRR)

• ・ Current status (1/4 cryostat, Toshiba, Sapphire fibers)(K. Yamamoto)

19th cryogenic payload meeting (2013 Jan. 9 ICRR)

• ・ Cryogenic accelerometer(D. Chen)

• ・ Mechanical loss measurement of sapphire fibers and cryoduct with baffle(Y. Sakakibara)

18th cryogenic payload meeting (2012 Dec. 12 ICRR)

• ・ Thermal Boundary Resistance(W. Johnson)

• ・ Cryogenic accelerometer and sphere without DLC in Toshiba(D. Chen)

• ・ Current status (Toshiba, 1/4 cryostat, sapphire fibers, ET meeting, Jena)(K. Yamamoto)

• ・ Mechanical loss measurement of sapphire fibers and disks(Y. Sakakibara)

17th cryogenic payload meeting (2012 Nov. 4 ICRR)

• ・ Reprot from Glasgow (Y. Sakakibara)

• ・ Measurement of vibration of radiation shield(D. Chen)

• ・ Current status (ELiTES meeting, Guests, Toshiba, Sapphire fibers)(K. Yamamoto)

16th cryogenic payload meeting (2012 Sep. 26 ICRR)

• ・ Current status (Experiments in Toshiba, Suspension model, Sapphire fibers. Misc. )(K. Yamamoto)

• ・ Radiation effect in initial cooling (Y. Sakakibara)

• ・ Measurement of vibration of radiation shield(D. Chen)

• ・ Separated Functions proposed for KAGRA suspensions(W. Johnson)

15th cryogenic payload meeting (2012 Aug. 29 ICRR)

• ・ Report of ELiTES thermal noise workshop I (Optical experiment in Jena)(D. Chen)

• ・ Report of ELiTES thermal noise workshop II (Parametric instability of ET) (K. Shibata)

• ・ Current status (Toshiba, ELiTES, Baffle, Brittleness of Maraging, Cryogenic duct)(K. Yamamoto)

14th cryogenic payload meeting (2012 Aug. 8 ICRR)

• ・ Cryogenic accelerometer (D. Chen)

• ・ Initial cooling via radiation (Y. Sakakibara)

• ・ Thermal conductivity of sapphire fibers (T. Ushiba)

• ・ Current status (University of Toyama, ELiTES, Baffle, Mirror)(K. Yamamoto)

13th cryogenic payload meeting (2012 July. 4 ICRR)

• ・ Other idea for suspension (W. Johnson)

• ・ Silicon flexures suspension (R. DeSalvo)

• ・ Current status(Measurement of Q values of sapphire fibers)(K. Shibata)

• ・ Current status(ELiTES and Toyama workshop)(K. Yamamoto)

12th cryogenic payload meeting (2012 June. 6 ICRR)

• ・Silicon flexures suspension (R. DeSalvo)

• ・Current status(Measurement of thermal conductivity of sapphire fiber)(T. Ushiba)

• ・Current status(ELiTES and IMPEX sapphire fiber)(K. Yamamoto)

11th cryogenic payload meeting (2012 April. 25 ICRR)

• ・Current status(ELiTES and Geometry of payload)(K. Yamamoto)

10th cryogenic payload meeting (2012 April. 4 ICRR)

• ・Current status (Research strategies and Geometry of payload)(K. Yamamoto)

9th cryogenic payload meeting (2012 Mar. 7 ICRR)

• ・Measurement of RRR of candidate materials (Shibata)

• ・Material Selection for the Masses (5) and Lab Preparation(Tokoku)

• ・Current status (Yamamoto)

8th cryogenic payload meeting (2012 Feb. 8 ICRR)

• ・Reduction of thermal radiation through a shield pipe for KAGRA (Sakakibara)

• ・Material Selection for the Masses (4) and Lab Preparation(Tokoku)

• ・Current status (Yamamoto)

第七回　低温懸架打ち合わせ(2012.1.10 ICRR)

• ・ 現状報告（マスとワイヤの材質選択と実験室準備）（東谷）

• ・ 現状報告（熱雑音とサファイアファイバ）（山元）

第六回　低温懸架打ち合わせ（2011.11.30 ICRR）

• ・ Sapphire fiberの熱雑音（関口）

• ・ 4分の1実証機の準備の進捗およびマスの材質-（東谷）

• ・ サファイアファイバ関連とparameterについて（山元）

第五回　低温懸架打ち合わせ（2011.10.26 ICRR）

• ・ 低温用縦ばねの開発-（高橋）

• ・ マスの材質-（東谷）

• ・ 高放射率材料の反射率測定（榊原）

• ・ 並木精密宝石、今後のcryogenic payloadの方針（山元）

第四回　低温懸架打ち合わせ（2011.09.28 ICRR）

• ・ 低温懸架打ち合わせ-（山元） 110928

• ・ テーパー付サファイアファイバー-（内山） 110928

• ・ ダクトシールドからの入熱-（榊原） 110928

• ・ 接合の進展 -常温接合打ち合わせ報告-（鈴木） 110928

• ・ 議事録-（山元） 110928

第三回　低温懸架打ち合わせ（2011.08.31 ICRR）

• ・ 低温懸架装置ミーティング（山元）110831

• ・ 初期冷却時間（榊原） 110831

• ・ 黒化処理材料の反射率測定（榊原） 110831

• ・ 接合の現状（鈴木） 110831

• ・ 議事録（山元） 110831

第一回　低温懸架打ち合わせ（2011.07.01 KEK）

• ・ 打ち合わせ資料（山元） 110701

• ・ 参考資料（鈴木） 110701

低温装置打ち合わせ

• Vib. Isolator for 1W PTC 2011.06.27 at J. Torisha

• ・ 立ち会い報告 110627

.Report of annealing for thin Al bundles 2011.06.24 .・ Heat Linkサンプルの焼鈍結果 110627

.Cryostat Shield (4th) 2011.2.24 and Cryostat Shield (4th) 2011.2.25, KEK Cryogenics Centre R110

• ・ 打ち合わせメモ 11024および110225

• ・ Cryostat Shields図 110225

.Cryostat Shield (4th) 2011.2.14 KEK Cryogenics Centre R110

• ・ 打ち合わせメモ 110217

• ・ Cryostat Shields図 110217

.Cryostat Shield (3rd) 2011.2.10 KEK Cryogenics Centre R110 Polycom+EVO

• ・ 打ち合わせメモ110210

• ・ Cryostat Shield図 110210

.Cryostat 2010.11.18 EVO

• ・ 打ち合わせ資料v2

• ・SI脱ガス中間報告

• ・グラファイトシート

back to CRY top