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r40 - 23 Nov 2009 - 07:07:57 - ViswaVelurYou are here: TWiki >  Keck/NGAO Web > WFS

NGAO Wavefront Sensors

Preliminary Design Phase

Laser Guide Star (LGS) WFS Subsystem

Consisting of the Fixed LGS asterism assembly and Patrolling LGS asterism assembly (aka Point and Shoot LGS)

Subsystem Team Meetings

Requirements and Interface Documents

Design Documents

  • LGS.vsd: LGSWFS assembly schematic (Alex has made one with dimensions probably, so let's not edit this file until tomorrow)

Wavelength Sub-aps FoV Filter OSM
589 nm 63x63 1.41 - -

Point-and-shoot laser guide star wavefront sensors

Wavelength Sub-aps FoV/ FoR? Filter OSM
589 nm 31x31 1.49 / 120 - theta-phi

Low-Order (LO) and Truth (T) WFS's Subsystem

Consisting of two patrolling Tip-tilt (TT) and one patrolling Tip-tilt-focus-astigmatism/Truth (TTFA/T) assemblies

Subsystem Team Meetings

Requirements and Interface Documents

Design Documents

Natural Guide Star (NGS) WFS Subsystem

For operation with NGS or as a LO WFS for on-axis science targets

Subsystem Team Meetings

Requirements and Interface Documents

Design Documents

____________________________

System Design Phase (Obsoleted)

High order laser guide star wavefront sensor

Tomographic laser guide star wavefront sensors

Wavelength Sub-aps FoV Filter OSM
589 nm 63x63 1.41 - -

Point-and-shoot laser guide star wavefront sensors

Wavelength Sub-aps FoV/ FoR? Filter OSM
589 nm 31x31 1.49 120 - theta-phi

Low order wavefront sensor assembly

Tip-tilt, Focus and Astigmatism Sensor

Tip-Tilt wavefront sensor

Truth wavefront sensor

High order NGS sensor

Wavelength Sub-aps FoV/ FoR? Filter OSM
400-1000 nm 32x32 and 64x64   - steering mirrors

-- ViswaVelur - 15 Jun 2006

Object Selection Mechanism Designs

OSM_V4.jpgOSM_V9.jpgOSM.jpg Probe_Assy_with_Downstream_stages.jpgOSM_V17.jpg

LOWFS_ASSY.jpgOSM_Integration_with_downstream_stages.jpg

* OSM with Newport stages mounted upstream the light path Vs stages mounted downstream the light path

Object Selection Mechanism Models

LGS Designs

Topic attachments
I Attachment Action Size Date Who Comment
elseZMX AO_LGS_WFS_Channel.ZMX manage 82.3 K 21 Nov 2009 - 01:23 ViswaVelur AO system LGS light path + pick off + tomo. LGS WFS
elseZMX AO_LGS_WFS_Channel_PnS.ZMX manage 80.8 K 21 Nov 2009 - 05:37 ViswaVelur AO system LGS light path + pick off + PnS? LGS WFS
elseSES Fixed_LGS_pick_off.SES manage 71.6 K 21 Nov 2009 - 18:14 ViswaVelur Fixed LGS WFS pick-off design
elsevsd LGS.vsd manage 153.5 K 23 Nov 2009 - 03:59 ViswaVelur LGSWFS assembly schematic (Alex has made one with dimensions probably, so let's not edit this file until tomorrow)
elsedocx LGS_WFS_PDR_KAON_rev2.docx manage 2629.2 K 21 Nov 2009 - 01:29 ViswaVelur LGS WFS design doc. (I am still not happy with my PnS? sensor design :()
elsedocx LGS_WFS_PDR_KAON_rev3.docx manage 2631.6 K 21 Nov 2009 - 18:55 ViswaVelur LGS WFS design doc. (1055 hrs., Nov. 21st, 2009)
elsedocx LGS_WFS_PDR_KAON_rev5.docx manage 3593.8 K 22 Nov 2009 - 05:16 ViswaVelur LGS WFS design doc. Version 5 (2116 hrs., Nov. 21st, 2009)
pdfpdf LGS_WFS_PDR_KAON_rev5.pdf manage 1912.3 K 22 Nov 2009 - 05:20 ViswaVelur LGS WFS design doc. Version 5 (2116 hrs., Nov. 21st, 2009) [PDF Version]
elsedocx LGS_WFS_PDR_KAON_rev6.docx manage 3596.8 K 22 Nov 2009 - 20:01 ViswaVelur LGS WFS design doc. (1200 hrs., Nov. 22nd, 2009)
elsedocx LGS_WFS_PDR_KAON_rev7.docx manage 3597.0 K 22 Nov 2009 - 21:05 ViswaVelur LGSWFS design doc., Rev. 7, 1310 hrs, 22nd Nov. 2009
elsedocx LGS_WFS_PDR_KAON_rev8.docx manage 3598.3 K 23 Nov 2009 - 03:40 ViswaVelur LGSWFS design doc., Rev. 8, 1940 hrs, 22nd Nov. 2009
jpgjpg LOWFS_ASSY.jpg manage 122.6 K 25 Aug 2009 - 18:24 AlexDelacroix LOWFS Assembly
elsex_t LOWFS_Assy.x_t manage 9100.3 K 08 Oct 2009 - 18:17 AlexDelacroix LOWFS Assembly
pdfpdf NGAO_CCR_Alternate_Installation_V6.pdf manage 2721.7 K 07 Oct 2009 - 20:58 AlexDelacroix CCR Installation in Dewar
pdfpdf NGAO_LGS_Design_Update_V1.pdf manage 1391.1 K 27 Oct 2009 - 17:49 AlexDelacroix LGS Design Update V1
pdfpdf NGAO_LGS_Design_Update_V3.pdf manage 1235.3 K 03 Nov 2009 - 20:27 AlexDelacroix LGS Design Update V3
pdfpdf NGAO_OSM_Design_Study.pdf manage 1832.2 K 29 Sep 2009 - 21:41 AlexDelacroix NGAO OSM Initial Design
pdfpdf NGAO_OSM_Design_Study_V10.pdf manage 4539.1 K 29 Sep 2009 - 21:31 AlexDelacroix Basic arm Design and reange of motion
pdfpdf NGAO_OSM_Design_Study_V9.pdf manage 4478.4 K 29 Sep 2009 - 21:34 AlexDelacroix Newport Vs PI Stages, Wobble, Optical equation
pdfpdf NGAO_OSM_Design_Update_V11.pdf manage 1838.0 K 11 Aug 2009 - 20:19 AlexDelacroix NGAO OSM Design Update V11
pdfpdf NGAO_OSM_Design_Update_V12.pdf manage 1445.5 K 18 Aug 2009 - 18:57 AlexDelacroix NGAO OSM Design Update V12
pdfpdf NGAO_OSM_Design_Update_V13.pdf manage 1632.0 K 25 Aug 2009 - 18:20 AlexDelacroix NGAO OSM Design Update V13
pdfpdf NGAO_OSM_Design_Update_V14t.pdf manage 1618.4 K 01 Sep 2009 - 17:54 AlexDelacroix NGAO OSM Design Update V14
pdfpdf NGAO_OSM_Design_Update_V15.pdf manage 836.0 K 08 Sep 2009 - 18:21 AlexDelacroix NGAO OSM Design Update V15
pdfpdf NGAO_OSM_Design_Update_V16.pdf manage 198.2 K 29 Sep 2009 - 21:24 AlexDelacroix Replacing the 5 Axis Collimator Lens with a Fixed Lens
pdfpdf NGAO_OSM_Design_Update_V17.pdf manage 918.9 K 22 Sep 2009 - 19:06 AlexDelacroix NGAO OSM Design Update V17
pdfpdf NGAO_OSM_Design_Update_V18.pdf manage 1198.2 K 29 Sep 2009 - 16:37 AlexDelacroix NGAO OSM Design Update V18
pdfpdf NGAO_OSM_Design_Update_V19.pdf manage 1689.8 K 06 Oct 2009 - 17:55 AlexDelacroix Cold Head Installation and replacing Newport w PI stages
pdfpdf NGAO_OSM_Design_Update_V20.pdf manage 3301.9 K 20 Oct 2009 - 19:24 AlexDelacroix  
pdfpdf NGAO_OSM_Design_V16.pdf manage 1548.6 K 14 Oct 2009 - 17:51 AlexDelacroix Replacing the 5 Axis Collimator Lens with a Fixed Lens
jpgjpg OSM.jpg manage 39.2 K 18 Aug 2009 - 19:00 AlexDelacroix  
elsex_t OSM_3_Assembly.x_t manage 7457.2 K 07 Oct 2009 - 20:56 AlexDelacroix OSM 3 Parasolid
movavi OSM_Assy_Stage_upstream_a1_=_10.avi manage 7304.5 K 18 Aug 2009 - 19:06 AlexDelacroix OSM Collision and symmetry Avoidance
jpgJPG OSM_Integration.JPG manage 58.9 K 05 Aug 2009 - 16:18 AlexDelacroix OSM Integration
jpgjpg OSM_Integration_with_downstream_stages.jpg manage 70.7 K 01 Sep 2009 - 17:56 AlexDelacroix OSM Integration with Newport stages mounted downstream the light path
jpgjpg OSM_V17.jpg manage 38.6 K 22 Sep 2009 - 19:35 AlexDelacroix  
jpgjpg OSM_V4.jpg manage 104.3 K 22 Sep 2009 - 20:22 AlexDelacroix  
jpgjpg OSM_V9.jpg manage 121.8 K 22 Sep 2009 - 20:27 AlexDelacroix  
elseZMX PnS_lgs_wfs.ZMX manage 4.6 K 20 Nov 2009 - 16:22 ViswaVelur PnS? LGSWFS lens file
elseZMX PnS_lgs_wfs_doublets_rev1.ZMX manage 4.6 K 21 Nov 2009 - 04:40 ViswaVelur PnS? 2 doublets design (total length = 440 mm)
elseZMX PnS_lgs_wfs_doublets_rev1_window.ZMX manage 5.0 K 21 Nov 2009 - 05:30 ViswaVelur PnS? 2 doublets design (total length = 440 mm) with CCD window
elseSTP PnS_lgs_wfs_doublets_rev1_window_for_alex.STP manage 797.6 K 22 Nov 2009 - 20:44 ViswaVelur PnS? LGSWFS STEP file (for Alex)
elseZMX PnS_lgs_wfs_norelay.ZMX manage 3.5 K 20 Nov 2009 - 22:03 ViswaVelur PnS? LGSWFS no relay
jpgjpg Probe_Assy_with_Downstream_stages.jpg manage 83.7 K 31 Aug 2009 - 20:31 AlexDelacroix Probe Assy with Newport stages mounted downstream the light path
elsevsd context_diagram.vsd manage 44.0 K 23 Nov 2009 - 03:59 ViswaVelur LGSWFS context diagram (Visio)
elseZMX fixed_LGS_pick_off.ZMX manage 35.5 K 21 Nov 2009 - 18:17 ViswaVelur Fixed LGS WFS pick-off design
elseZMX fixed_lgs_wfs.ZMX manage 4.1 K 20 Nov 2009 - 16:20 ViswaVelur Fixed LGS WFS lens file
elseZMX fixed_lgs_wfs_gd_fixed_window.ZMX manage 4.5 K 20 Nov 2009 - 22:00 ViswaVelur tomo. LGS WFS with window
elseSTP fixed_lgs_wfs_gd_fixed_window_for_alex.STP manage 683.0 K 22 Nov 2009 - 20:44 ViswaVelur Fixed LGS WFS STEP file (for Alex)
elseZMX fixed_lgs_wfs_norelay.ZMX manage 3.5 K 20 Nov 2009 - 21:57 ViswaVelur Fixed LGS WFS no relay
elseSES pns_pick_off.SES manage 47.8 K 21 Nov 2009 - 18:14 ViswaVelur PnS? LGSWFS pick off design
elseZMX pns_pick_off.ZMX manage 34.1 K 21 Nov 2009 - 18:18 ViswaVelur PnS? LGSWFS pick off design
elseZMX sapphire_160_folded_fixed_pick_off_5sec_FoV.ZMX manage 35.5 K 21 Nov 2009 - 18:12 ViswaVelur Fixed LGS WFS pick-off design
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