ELOG - Spot position measurement on the diode mounts

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Mon May 6 19:31:51 2013, Koji, Optics, Characterization, Spot position measurement on the diode mounts

Message ID: 120 Entry time: Mon May 6 19:31:51 2013 Reply to this: 121

Author:	Koji
Type:	Optics
Category:	Characterization
Subject:	Spot position measurement on the diode mounts

Measurement Order: DCPD2->DCPD1->QPD1->QPD2

DCPD1: 1.50mm+0.085mm => Beam 0.027mm too low

DCPD2: 1.75mm+0.085mm => Beam 0.051mm too high (...less confident)

QPD1: 1.25mm+0.085mm => Beam 0.077mm too low

QPD2: 1.25mm+0.085mm => Beam 0.134mm too low
or 1.00mm+0.085mm => Beam 0.116mm too high

Attachment 1:

DCPD1.png 2.524 MB Uploaded Tue May 7 11:16:20 2013 | Hide | Hide all

Attachment 2:

DCPD2.png 1.637 MB Uploaded Tue May 7 11:28:20 2013 | Hide | Hide all

Attachment 3:

QPD1.png 3.411 MB Uploaded Tue May 7 11:32:12 2013 | Hide | Hide all

Attachment 4:

QPD2.png 2.194 MB Uploaded Tue May 7 11:37:39 2013 | Hide | Hide all