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KAGRA MIR (Absorption)
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MarcEisenmann - 10:31, Tuesday 02 April 2024 (3504)Get code to link to this report
30mm ; 70 mm 6/6

this sample is t70#1.

Moved zIU to 40.01 mm

Pt = 25.5mW ; Pin = 30.0mW

There is definitely an issue with the holder : the sample is fixed by 2 set screws which can induce a slight tilt of the sample with respect to the input beam.... However there seems to exist a roll angle that compensate this...

Recentered DC with pink tape at bottom towards IU this time.

z scan with 4.81 W : Tue, Apr 2, 2024 10-17-23 AM.txt

z edges at 37 and 77 mm : center at 57mm

map at z_center : Tue, Apr 2, 2024 10-31-32 AM.txt

Comments related to this report
MarcEisenmann - 14:29, Tuesday 02 April 2024 (3505)

z = 67 mm, Pt = 4.81W : Tue, Apr 2, 2024 2-29-08 PM.txt

MarcEisenmann - 18:27, Tuesday 02 April 2024 (3506)

z = 47 mm ; Pt = 4.82 W ; Tue, Apr 2, 2024 6-27-00 PM.txt