Beam Transfer Optics

The beam transfer optics subsystem delivers the 589nm laser beam from the Coude lab to the laser launch telescope located behind the Hale telescope secondary. It consists of actively controlled reflective, refractive, and polarization optics.

Reference Documents

• BTO_User_Guide-1.pdf: BTO operations guide - AB for J. Angione 8/28/07

• bto_control_v11.pdf: BTO control math v11 - AB for C. Shelton 6/4/06
• bto_control_v10.xls: BTO trolley position spreadsheet v10 - AB for C. Shelton 6/4/06
• BTO_Software_Operating_Manual.pdf: BTO Software Operating Manual - JA 6/14/06
• Palomar BTO Transmission, v2.0 - A. Bouchez 8/7/06 (v1)
• cin609_laserdiag_v10.pdf: Palomar laser diagnostics requirements, v1 - A. Bouchez 8/7/06
• cin613_bto_calibration.pdf (.doc): Beam Transfer Optics Off-zenith Calibration - A. Bouchez 10/30/06
• bto.tar.gz: BTO design documents and component information
• bto_pix.tar.gz: BTO drawings and pictures

Development Notes

• BTO_laser_combining.txt: BTO stimulus and polarization strategy - CS 05/09/06.
• 060514_palomar_notes.pdf: BTO work status - AB 05/14/06.
• bto_060516: Here are some data products from the BTO work on 2006 05 16, and a copy of the conclusions from it - CS 05/16/06
• laser_focus_and_pol.txt: Laser focus travel limits - CS 05/17/06.
• bto_060601: BTO work status - AB 06/01/06.
• 060602_bto_tasks.txt: BTO tasks for next week - CS 06/02/06.
• Annotated photos of the BTO stimulus package, before and after 6/6/06 redesign - AB 6/7/06:
  

• 060606_bto_update.doc: Description of BTO work June 5-6, 2006 - AB 6/7/06
• 060606_bto_update_v2.doc: Description of BTO work June 5-6, 2006 v2- CS 6/8/06
• BTO meridian look-up table, from 6/11 and 6/12 tracks: data table, plots - AB 6/19/06
• Annotated photo of BTO 594nm breadboard - A. Bouchez 7/26/06:
  
• bto_cleaning_log.pdf: BTO cleaning log - A. Bouchez 2/21/07