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Entry  Thu Apr 8 22:47:03 2021, shruti, DailyProgress, PSOMA, Cavity locking and temperature scan TemptuneCalc.pdfUntitled.png
    Reply  Wed Apr 14 17:15:23 2021, shruti, DailyProgress, PSOMA, RoC measurement RoCis0_4mConvex.pdf20210412.ziptest_roc.m
       Reply  Thu Apr 15 19:24:35 2021, shruti, DailyProgress, PSOMA, RoC measurement RoC.pdftest_roc.mconcave_beamprofs.zip
Message ID: 2699     Entry time: Wed Apr 14 17:15:23 2021     In reply to: 2695     Reply to this: 2701
Author: shruti 
Type: DailyProgress 
Category: PSOMA 
Subject: RoC measurement 

Attachment 1:

Result. Measured radius of curvature seems to be closest to 0.4 m convex.

 

Attachment 2:

Beam profile bitmap images. Widths taken read from the image.

 

Attachment 3:

Code used to plot Attachment 1.

Attachment 1: RoCis0_4mConvex.pdf  142 kB  Uploaded Wed Apr 14 18:15:54 2021  | Hide | Hide all
RoCis0_4mConvex.pdf
Attachment 2: 20210412.zip  1.512 MB  Uploaded Wed Apr 14 18:16:29 2021
Attachment 3: test_roc.m  6 kB  Uploaded Wed Apr 14 18:16:37 2021  | Hide | Hide all
%% beam fit

close all
clear classes
clear all

zScan = [3 6 9] * 0.0254 - 0.023 + 3.7e-3; % inches to m
xradiusN = [874 1021 1186] / 2 * 1e-6; % um
yradiusN = [838 1008 1178] / 2 * 1e-6; % um

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