2015 Dec CHARA AO Run JDM - Revision history

192.153.157.221 at 07:35, 10 December 2015

2015-12-10T07:35:43Z

← Older revision		Revision as of 07:35, 10 December 2015
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	9. adjust collimator focus (by hand) to fill the lenslets as expected. nominally 10.7 pixels between spots.		9. adjust collimator focus (by hand) to fill the lenslets as expected. nominally 10.7 pixels between spots.

	Looks much better now.		Looks much better now but not perfect.. could the collimator have been mounted backwards again? need to find out.

192.153.157.221 at 07:35, 10 December 2015

2015-12-10T07:35:06Z

← Older revision		Revision as of 07:35, 10 December 2015
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	* rest of night was taken trying to check S2 beam train and getting a great starting alignment. but lots of problems.		* rest of night was taken trying to check S2 beam train and getting a great starting alignment. but lots of problems.

	---		----
	2015 Dec 7 (monday)		2015 Dec 7 (monday)

	---		*Matt setup test camera for focusing lens tubes for telecentric relay system. John and Matt focused 5 tubes. John wrote script (checkspots.script) that analyzes the spot diameters and the spacing. Found great results. FHWM 1.41 pixels usually and spacing 10.68 pixels.

			*We tried to align TWFS on telescope. made a star but could not find a way to align beacon light with the optical axis of TWFS while also going through center of collimator. Spent time trying to figure this out before going to bed.
			----
	2015 Dec 8 (tuesday)		2015 Dec 8 (tuesday)

	---		* Aligned S1 TWFS. Found same problem as before.. that after setting up optical axis, we
			*various other thing
			----
	2015 Dec 9 (wednesday)		2015 Dec 9 (wednesday)

192.153.157.221 at 07:31, 10 December 2015

2015-12-10T07:31:29Z

← Older revision		Revision as of 07:31, 10 December 2015
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	** The whole gang (mike, theo, chris) going to lab to figure this darn thing out and get rid of the vignetting. We don't want to start our engineering with a compromised beam!		** The whole gang (mike, theo, chris) going to lab to figure this darn thing out and get rid of the vignetting. We don't want to start our engineering with a compromised beam!
	* rest of night was taken trying to check S2 beam train and getting a great starting alignment. but lots of problems.		* rest of night was taken trying to check S2 beam train and getting a great starting alignment. but lots of problems.

			---
			2015 Dec 7 (monday)

			---
			2015 Dec 8 (tuesday)

			---
			2015 Dec 9 (wednesday)

			Following troubles of previous night, Mike, Judit, Laszlo, Matt, John all worked to align S1 WFS.

			Here is a modified procedure:
			Use Red Laser and blank glass for dicroic

			1. With no TWFS hardware in the way, adjust beacon to be centered in the acquisition hole and in center of the focus range. This is done using a cardboard target attached behind the TWFS. Mark optical axis center on the cardboard

			2. Put in collimator. Focus and adjust to maintain the optical path by hitting the mark on the cardboard. Check that collimator is in middle of its range (+/-40000 counts).

			3. Put on camera plate. Adjust the tilt using flat mirror (or use the mirror in the 1/2" lens tube that comes with alignment kit).

			4. Put paper target on back cam to find optical center (or use the target on front of 1/2" plug that plugs into the hole, that comes with alignment kit). Adjust WFS X,Y to center beam onto this target.

			5. Put on lenslets. screw in telecentric relay (which should have been already focused)

			6. Put on camera. Use range of motion allowed by the screws to center light at (45,45) on the detector. (see camera settings)

			7. Spin lenslets. find the rotation axis. Try to move the rotation axis to the center of the pupil (secondary obstruction) as allowed by the loose screws that attach the lenslets.

			8. Fine tune or do final correction by moving WFS x,y to lenslet rotation axis to the secondary obstruction. If this required a large move, then 'move back' the light to be centered at (45,45) by using the collimator.

			9. adjust collimator focus (by hand) to fill the lenslets as expected. nominally 10.7 pixels between spots.

			Looks much better now.

192.153.157.242 at 10:51, 7 December 2015

2015-12-07T10:51:09Z

← Older revision		Revision as of 10:51, 7 December 2015
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	*Discovery 1. M10 alignment shows some vignetting.		*Discovery 1. M10 alignment shows some vignetting.
	** Chris using combination of periscope + M10 to try to fix. But didn't work		** Chris using combination of periscope + M10 to try to fix. But didn't work
	** The whole ~~game~~ (mike, theo, chris) going to lab to figure this darn thing out and get rid of the vignetting. We don't want to start our engineering with a compromised beam!		** The whole gang (mike, theo, chris) going to lab to figure this darn thing out and get rid of the vignetting. We don't want to start our engineering with a compromised beam!
			* rest of night was taken trying to check S2 beam train and getting a great starting alignment. but lots of problems.

192.153.157.221 at 06:16, 7 December 2015

2015-12-07T06:16:24Z

← Older revision		Revision as of 06:16, 7 December 2015
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	We are going on sky.		We are going on sky.
	*Discovery 1. M10 alignment shows some vignetting.		*Discovery 1. M10 alignment shows some vignetting.
	** Chris using combination of periscope + M10 to try to fix.		** Chris using combination of periscope + M10 to try to fix. But didn't work
			** The whole game (mike, theo, chris) going to lab to figure this darn thing out and get rid of the vignetting. We don't want to start our engineering with a compromised beam!

192.153.157.221 at 05:45, 7 December 2015

2015-12-07T05:45:24Z

← Older revision		Revision as of 05:45, 7 December 2015
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	*installed ANDOR software SOLIS on the UM laptop (ASUS)		*installed ANDOR software SOLIS on the UM laptop (ASUS)
	*located all optics		*located all optics
	*plan to setup test rig for aligning the lens tube ~~telescentric~~ re-imager		*plan to setup test rig for aligning the lens tube telecentric re-imager


Line 22:		Line 22:

	We are going on sky.		We are going on sky.
	*Discovery 1. M10 alignment shows some vignetting.		*Discovery 1. M10 alignment shows some vignetting.
			** Chris using combination of periscope + M10 to try to fix.

192.153.157.221 at 05:44, 7 December 2015

2015-12-07T05:44:55Z

← Older revision		Revision as of 05:44, 7 December 2015
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	*located all optics		*located all optics
	*plan to setup test rig for aligning the lens tube telescentric re-imager		*plan to setup test rig for aligning the lens tube telescentric re-imager


			9:30pm.

			We are going on sky.
			*Discovery 1. M10 alignment shows some vignetting.

141.213.172.40 at 23:22, 6 December 2015

2015-12-06T23:22:01Z

← Older revision		Revision as of 23:22, 6 December 2015
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	2015 Dec 6 (sunday)		2015 Dec 6 (sunday)

			*Mike and Theo arrived. will have group meeting later today to plan next few days.
	*installed ANDOR software SOLIS on the UM laptop (ASUS)		*installed ANDOR software SOLIS on the UM laptop (ASUS)
	*located all optics		*located all optics
	*plan to setup test rig for aligning the lens tube telescentric re-imager.		*plan to setup test rig for aligning the lens tube telescentric re-imager

141.213.172.40 at 23:21, 6 December 2015

2015-12-06T23:21:31Z

← Older revision		Revision as of 23:21, 6 December 2015
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			2015 Dec 5 (saturday)

			matt and I arrived.

			Plan (part 1)

			*Install optics in the 5 remaining Telescope WFS
			*Align Tel WFS in Tel S1

	~~2015 Dec 5~~

	~~matt and I arrived.~~

	~~Plan~~		----
			2015 Dec 6 (sunday)

			*installed ANDOR software SOLIS on the UM laptop (ASUS)
			*located all optics
			*plan to setup test rig for aligning the lens tube telescentric re-imager.

141.213.172.40: Created page with " 2015 Dec 5 matt and I arrived. Plan"

2015-12-06T23:19:25Z

Created page with " 2015 Dec 5 matt and I arrived. Plan"

New page

2015 Dec 5

matt and I arrived.

Plan