(r24) 061213_Remote_NGAO_Meeting_3 < Keck/NGAO

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---++Keck NGAO Team Meeting #3
---++++++9:50a - 2:30p PST
---++++++Wednesday, December 13, 2006
---++++++Tele/Videoconference

Dial-in Number: 977-280-4645 Passcode: 540030     Videoconference IP: 128.171.99.70 (Hualalai CR)
---
|*In effigie (e.g. on the phone)*:|Adkins, Bauman, Bouchez, Flicker, Dekany, Gavel, Johannson, Le Mignant, Liu, Marchis, Max, Moore, Neyman, Velur, Wizinowich|
---
[[%ATTACHURL%/.doc][Action Items]] from the meeting.  
[[%ATTACHURL%/.doc][Status of Action Items]] as of xx/xx/xx.

Goals:
   * Review Progress on Performance Budgets
   * Review Recent Trade Studies
     
Agenda:
   *  9:50 am Welcome
   * 10:00 am Management Report (*Wizinowich*) [[%ATTACHURL%/NGAO_meeting_3.ppt][Management Report]]
      * Review study overall progress, progress against milestones, and summary financial situation
   * 10:25 am Science Team Report (*Max*) [[%ATTACHURL%/filename][.ppt]]
   * 10:45 am Systems Engineering Report (*Dekany*) [[%ATTACHURL%/NGAO_Sys_Eng_Status_061213.ppt][Systems Engineering Report (.ppt)]] [[%ATTACHURL%/NGAO_Sys_Eng_Status_061213.pdf][(.pdf)]]
      * Review the status of all performance and efficiency budgets; identify areas needing additional science input. 
   * 11:10 am Trade Study Report: MOAO & MCAO (*Gavel*) [[%ATTACHURL%/MOAOvsMCAODesignStudyReport_Draft1.pdf][Report (pdf)]]
      * From the WBS Dictionary:  This trade study is intended to build our expertise with Multi Object and Multi Conjugate AO.  The existing MOAO and MCAO design studies should be reviewed.  The product should be a summary of the issues related to these two approaches, including an understanding of the potential risks, technical challenges, limitations, advantages and room for improvement with each of these approaches.
   * 11:40 am Trade Study Report: Rayleigh Rejection Strategies (*Velur*) [[%ATTACHURL%/Rayleigh_rejection.ppt][Rayleigh_rejection.ppt]]
      * From the WBS Dictionary:  Evaluate the impact of unwanted Rayleigh backscatter to NGAO system performance.  Consider the relative performance, cost, risk & schedule of various strategies for mitigation of LGS Rayleigh backscatter. Techniques include background subtraction, modulation & optimizing projection location.  This issue is closely coupled to laser pulse format, with pulsed lasers generally providing more options for Rayleigh mitigation than CW lasers.  Complete when NGAO baseline architecture selected.
   * 12:00 pm Trade Study Report: Stand-alone T/T vs. DM on T/T Stage (*Bauman*) [[%ATTACHURL%/filename][.ppt]]
      * From the WBS Dictionary: Consider the performance, cost, risk, reliability, and maintainability of a stand-alone tip/tilt mirror vs. mounting an otherwise necessary mirror (e.g. a DM) on a fast tip/tilt stage. Note that high BW correction is difficult with a large or heavy mirror.  Complete when tip/tilt approach selected.
   * 12:20 pm *Break*
   * 12:40 pm Update on Instrument Trade Studies (*Adkins*) 
      * Science Instrument Reuse Cost/Benefit.  From the WBS Dictionary: Consider the cost/benefit of reuse of existing Keck AO instruments, particularly OSIRIS and NIRC2, versus the benefit of design freedom for an all-new instrument suite. [[%ATTACHURL%/Instrument-Reuse-NIRC2-121206.ppt][Instrument-Reuse-NIRC2-121206.ppt]]   
      * Instrument Balance.  From the WBS Dictionary: Consider the relative merit of installing NGAO on Keck I vs Keck II. This must take into account the long-term instrumentation strategy for Keck, available laser infrastructure, and impact on operations.  Complete when architecture and location requirements documented.  
   *  1:00 pm Upcoming tasks and milestones (*Wizinowich*) [[%ATTACHURL%/filename][.ppt]]
   *  1:20 pm Discussion: Issues pertaining to ongoing and upcoming work (*All*)
   *  2:30 pm Adjourn

Attachments

Topic attachments
I	Attachment	History	Action	Size	Date	Who	Comment
ppt	Instrument-Reuse-NIRC2-121206.ppt	r1	manage	80.5 K	2006-12-13 - 16:51	UnknownUser
pdf	MOAOvsMCAODesignStudyReport_Draft1.pdf	r2 r1	manage	371.0 K	2006-12-13 - 17:34	UnknownUser
ppt	NGAO_Sys_Eng_Status_061213.ppt	r1	manage	1159.5 K	2006-12-13 - 08:12	RichardDekany
ppt	NGAO_meeting_#3.ppt	r2 r1	manage	161.5 K	2006-12-13 - 02:48	PeterWizinowich	Management Report
ppt	NGAO_meeting_3.ppt	r1	manage	161.5 K	2006-12-13 - 03:30	PeterWizinowich	Management Report
ppt	Rayleigh_rejection.ppt	r7 r6 r5 r4 r3	manage	881.5 K	2006-12-13 - 17:08	UnknownUser	Rayleigh rejection Version 1.2

Topic revision: r24 - 2006-12-13 - DonaldGavel

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