| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
5056
|
Thu Jul 28 17:04:04 2011 |
Nicole | Update | SUS | Photosensor Head Calibration Curve | Here is the calibration curve (displacement
versus voltage output) for the photosensor
head that I made with the S5971 photodiodes |
|
|
5098
|
Tue Aug 2 23:02:48 2011 |
Nicole | Update | SUS | Fixed Accelerometer |
|
|
|
5099
|
Tue Aug 2 23:14:21 2011 |
Nicole | Update | SUS | Corrected Screw Alignment in TT Suspension Base | The TT suspension base was not able to
be securely mounted to the optical table
(i.e. mounted with 4 screws) |
|
|
5107
|
Wed Aug 3 12:27:01 2011 |
Nicole | Summary | SUS | Weekly Summary | This week I have determined the linear
region for my photosensor. I have determined
the linear region to be -14.32 V/cm in the |
|
|
5119
|
Thu Aug 4 20:05:23 2011 |
Nicole | Update | SUS | New Horizontal Sliding Base Mount for TT suspension testing | In order to more-securely mount the TT
supsion to the horizontal sliding base, I
have made a sub-mounting plate (upon Koji's |
|
|
5145
|
Mon Aug 8 22:12:58 2011 |
Nicole | Summary | SUS | Daily Summary | Today I balanced the mirror, finished putting
together the second photosensor, and finished
my photosensor circuit box! |
|
|
5154
|
Tue Aug 9 13:34:40 2011 |
Nicole | Summary | SUS | New Calibration Plots for Photosensors | Here are the new calibration plots for
my photosensors. These calibrations were
done using a translation stage. |
|
|
5160
|
Tue Aug 9 19:53:56 2011 |
Nicole | Summary | SUS | Weekly Summary | This week, I have finished assembling everything
I need to begin shaking. I built an intermediary
mounting stage to mount the TT suspension |
|
|
5169
|
Wed Aug 10 12:32:09 2011 |
Nicole | Summary | SUS | Weekly Summary Update | Last night, I attached a metal plate to
the Vout faceplate of my photosensor circuit
box because the BNC connection terminals |
|
|
5178
|
Wed Aug 10 19:18:26 2011 |
Nicole | Summary | SUS | Fixed Reflective Photosensors; Recalibrated Photosensor 2 | Thanks to Koji's help, the second photosensor,
which was not working, has been fixed. I
have re-calibrated the photosensor after |
|
|
5183
|
Thu Aug 11 06:45:14 2011 |
Nicole | Summary | SUS | Shaking Testing | Koji and I have finished shaking the table for the
first round of measurements (horizontal shaking). |
|
|
5188
|
Thu Aug 11 12:31:39 2011 |
Nicole | Summary | SUS | Photosensor Head Calibration Curve for TT Frame | I have re-calibrated the photosensor I
used to measure the displacements of the
TT frame (what I call "Photosensor 2"). |
|
|
5191
|
Thu Aug 11 14:22:00 2011 |
Nicole | Summary | SUS | Photosensor Head Calibration Curve for TT Frame |
|
|
|
5195
|
Thu Aug 11 16:09:05 2011 |
Nicole | Summary | SUS | Bode Plot for TT Suspension | All of my plots have already taken into
account the calibration of the photosensor
(V/mm ratio) |
6x |
|
5205
|
Fri Aug 12 11:07:50 2011 |
Nicole | Summary | SUS | More TT Shaking Completed This Morning | This morning (about 10am to 11am), I have
collected additional transfer function measurements
for the T.T. suspension. I have finished |
|
|
5206
|
Fri Aug 12 14:15:07 2011 |
Nicole | Summary | SUS | Bode Plot for TT Suspension | Here is my bode plot comparing the flexibly-supported
and rigidly-supported EDCs (both with no
bar) |
|
|
5208
|
Fri Aug 12 15:34:16 2011 |
Nicole | Summary | SUS | Bode Plot for TT Suspension |
|
|
|
5222
|
Sat Aug 13 15:40:38 2011 |
Nicole | Summary | SUS | TT Shaking Today and Hopefully More? | As reported in my previous
entry of TT supsension bode plots, I
found that my experimental data had what |
|
|
5223
|
Sat Aug 13 15:47:47 2011 |
Nicole | Summary | SUS | TT Optimization Curves | Using my Matlab model of the flexibly-supported
eddy current damping system, I have changed
parameters to see if/how the TTs can be optimized |
|
|
5225
|
Sat Aug 13 21:15:47 2011 |
Nicole | Summary | SUS | TT Optimization Curves |
|
|
|
5227
|
Sun Aug 14 00:26:51 2011 |
Nicole | Summary | SUS | TT Optimization Curves |
|
|
|
5229
|
Sun Aug 14 13:57:52 2011 |
Nicole | Summary | SUS | TT Optimization Curves |
|
|
|
5231
|
Sun Aug 14 17:47:39 2011 |
Nicole | Summary | SUS | TT Shaking Today and Hopefully More? |
|
|
|
10009
|
Mon Jun 9 10:55:48 2014 |
Nichin | Summary | Electronics | BBPD D1002969-v8 transimpedence measurement | My SURF
week-1 work...
|
|
|
10034
|
Thu Jun 12 16:56:31 2014 |
Nichin | Update | Electronics | PD Inspection |
Normal
0
|
|
|
10037
|
Fri Jun 13 18:16:00 2014 |
Nichin | Update | Electronics | Changes to the PD frequency response measurement system |
|
|
|
10058
|
Wed Jun 18 15:25:06 2014 |
Nichin | Update | Electronics | BBPD Transimepedence plot | Motivation: |
|
|
10062
|
Wed Jun 18 18:16:26 2014 |
Nichin | Update | Electronics | Changes to the PD frequency response measurement system | [Nichin,
Eric G, Koji]
Continuing |
|
|
10079
|
Fri Jun 20 11:41:18 2014 |
Nichin | Update | Electronics | Transimpedence measurement-BBPD | EDIT:
Please ignore the following data. The revised |
|
|
10082
|
Fri Jun 20 16:36:44 2014 |
Nichin | Update | Electronics | RF cables removed | [Nichin, Eric G]
As mentioned in Elog 10062, we found
RF cables running between demodulators in |
|
|
10086
|
Sat Jun 21 01:25:12 2014 |
Nichin | HowTo | Electronics | PD Trasimpedence measurement theory | Here
is the logic that I have been using to calculate
the transimpedence of PDs. Please let me |
|
|
10087
|
Sat Jun 21 01:46:28 2014 |
Nichin | Update | Electronics | BBPD Transimepedence plot | Sorry for
the late update Koji.
There |
|
|
10089
|
Mon Jun 23 21:16:14 2014 |
Nichin | Update | Electronics | Transimpedence measurement-BBPD | [Nichin,
Koji]
Today |
|
|
10093
|
Tue Jun 24 16:52:43 2014 |
Nichin | Update | Electronics | An RF cable re-installed |
|
|
|
10097
|
Wed Jun 25 02:01:21 2014 |
Nichin | Summary | General | Weekly Report | Attached is the weekly work plan / equipment requirement
/ lab expert's presence needed for |
|
|
10102
|
Wed Jun 25 17:13:10 2014 |
Nichin | Update | Electronics | Laser power check - PDFR system | [Nichin, Manasa]
I wanted to make sure Alex's system
of Diode laser + laser controller + optical |
|
|
10105
|
Wed Jun 25 20:45:04 2014 |
Nichin | Update | Electronics | AS55 Bodeplot | [Nichin]
I |
|
|
10108
|
Fri Jun 27 18:07:38 2014 |
Nichin | Update | Computer Scripts / Programs | Updated script for acquiring data from Agilent 4395A network analyzer | The updated script for remotely getting
data from Agilent 4395A network analyzer
is located at /users/nichin |
|
|
10111
|
Mon Jun 30 00:18:15 2014 |
Nichin | Update | Computer Scripts / Programs | Updated script for acquiring data from Agilent 4395A network analyzer |
|
|
|
10123
|
Wed Jul 2 16:16:45 2014 |
Nichin | Update | General | LAN wire added | [Nichin, Eric Q]
We added a new LAN wire from Rack
1Y4 to 1Y1 to connect the RF switch at 1Y1 |
|
|
10128
|
Thu Jul 3 16:28:38 2014 |
Nichin | Update | Electronics | RF cables installed | [ Nichin, Eric G]
RF cables have been installed between
deomodulator output PD RF MON and the RF |
|
|
10143
|
Mon Jul 7 17:20:09 2014 |
Nichin | Update | Electronics | RF PDs needed |
|
|
|
10145
|
Mon Jul 7 18:38:27 2014 |
Nichin | Update | Electronics | RF cables rerouted |
|
|
|
10152
|
Tue Jul 8 15:07:24 2014 |
Nichin | HowTo | Electronics | RF Multiplexer in rack 1Y1 | The RF
multiplexer is configured as shown in the
figure. It is now effectively a 15x1 RF mux. |
|
|
10154
|
Tue Jul 8 16:45:15 2014 |
Nichin | Update | General | Weekly plan | My plan for next week is...
|
|
|
10166
|
Wed Jul 9 17:34:11 2014 |
Nichin | Update | Electronics | PDFR: Beam pointing adjustments and DC measurements | [Nichin, Manasa]
AIM: |
|
|
10183
|
Fri Jul 11 11:51:03 2014 |
Nichin | Update | Electronics | PDFR: List of DC transimpedances | The following
values are going to be entered in the param_[PDname].yml
file for each PD. I am elogging them for |
|
|
10186
|
Fri Jul 11 17:49:12 2014 |
Nichin | Update | Electronics | New Prologix GPIB-Ethernet controller | I have configured a NEW Prologix GPIB-Ethernet
controller to use with HP8591E Spectrum analyzer
that sits right next to the control room |
|
|
10192
|
Mon Jul 14 12:49:07 2014 |
Nichin | Update | Electronics | New Prologix GPIB-Ethernet controller |
|
|
|
10196
|
Mon Jul 14 16:51:07 2014 |
Nichin | Update | Electronics | Martian table updated, Named server restarted | [Nichin, Jenne]
The martian lookup tables are located
at |
|