| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
415
|
Thu Aug 17 14:19:04 2017 |
Zach | Electronics | Modeling | Two ESD Optimization | 2017-08-17
I ran a
sweep of the position of the middle ESD to
determine the optimal arrangement. From the |
17x |
|
296
|
Wed Feb 8 17:01:01 2017 |
Gabriele | Optics | Daily Progress | Two laser installed, setup aligned | Today I swapped out the 8mW laser
and installed two 2.5 mW lasers. I rebuilt
the input part of the optical levers and |
|
|
300
|
Thu Feb 9 09:30:52 2017 |
Gabriele | Optics | Daily Progress | Two laser installed, setup aligned | The lasers are behaving well, there is
no high noise or wandering lines. The spectrum
below is taken in air: that explains the |
|
|
409
|
Tue Aug 15 16:43:58 2017 |
Zach | Electronics | Modeling | Unchanged Mode Insight | 2017-08-15
It appears
to me that the major factor limiting the
improvement of the modes that either remain |
|
|
447
|
Tue Dec 12 15:35:27 2017 |
Gabriele | General | Measurements | University Wafers substrates (76.2mm/0.5mm) annelaed | 2017-12-12
Four substrates
from University Wafers (76.2mm / 0.5mm) in
chamber |
|
|
122
|
Thu Sep 22 13:39:40 2016 |
Gabriele | Optics | Configuration | Updated design for the new C.Ri.Me. setup | Today I measured the amount of space available
on the table for the new (4-fold) C.Ri.Me.
setup. It's 1050 x 1220 mm, with the |
|
|
331
|
Fri Mar 10 16:44:13 2017 |
Gabriele | Optics | Daily Progress | Updated in vacuum periscope of CR0 | This afternoon I removed the old periscope
from CR0 and installed a new one with finely
adjustable mount, like those in the new chamber. |
|
|
66
|
Wed Jul 27 15:43:02 2016 |
Gabriele | Facility | Daily Progress | Vacuum chamber dismantled and ready for cleaning | [Alena, Gabriele]
As decided at out Red Door meeting,
we're going to clean the vacuum chamber |
|
|
31
|
Thu Jul 7 17:44:11 2016 |
Gabriele | Facility | Daily Progress | Vacuum chamber tests | [Alena, Gabriele]
This afternoon we opened the tall
belljar vacuum chamber, and took everything |
|
|
33
|
Fri Jul 8 15:26:37 2016 |
Alena | Facility | Daily Progress | Vacuum chamber tests | Fixed the 307 gauge controller (a missing
contact on the rair panel). The low pressure
gauge was connected to 1G port and has measured |
|
|
36
|
Mon Jul 11 14:56:45 2016 |
Alena | Facility | Daily Progress | Vacuum chamber tests | Installed a gate valve between the roughing
and tubbo pump. See below a pump down curve.
The convection gauge is not calibrated. the |
|
|
38
|
Mon Jul 11 17:04:06 2016 |
Alena | Facility | Daily Progress | Vacuum chamber tests | At 5pm the pressure was 6.5e-6 torr.
Checked again at:
9am, pressure was 2e-6 |
|
|
52
|
Tue Jul 19 17:15:37 2016 |
Gabriele | Facility | Daily Progress | Vacuum pressure acquired | [Alena, Gabriele]
We connected the analog output
of the vacuum gauge controller to one of |
|
|
186
|
Mon Nov 14 11:28:33 2016 |
Gabriele | General | Vacuum | Viton pads | I added three 1"x1" viton pads
below the base plate, and realigned the entire
optical system to the horizontal reference |
|
|
287
|
Wed Feb 1 15:23:42 2017 |
Gabriele | Optics | Noise hunting | Wandering line is due to the laser | The wandering line I mentioned in my previous
elog, which is spoiling most of the sensitivity,
turns out to be power noise of the laser. |
|
|
95
|
Sun Aug 21 13:45:56 2016 |
Gabriele | Optics | Daily Progress | Wierd behavior of ring downs and Improved setup | The last two ring downs I measured today
showed a weird behavior of the lowest modes:
|
|
|
413
|
Wed Aug 16 14:35:05 2017 |
Gabriele | General | Computers | Workstation is down | While I was working, the network connection
went down. I tried to reboot the workstation,
but I won't boot anymore. |
|
|
418
|
Fri Aug 18 14:05:36 2017 |
Gabriele | General | Computers | Workstation is now up | Reinstalled Debian 8, all packages and
CDS software.
Everything seems to be working |
|
|
504
|
Fri Mar 30 19:12:15 2018 |
Gabriele | General | Measurements | Zirconia S1600519 S1600522 S1600565 | 2018-03-30
7:10pm in
chamber
S1800634 (Zirconia)
in CR1
S1600519 in CR2
S1600522 |
|
|
2
|
Fri Jul 13 10:34:35 2012 |
janosch | Optics | Characterization | camera image | We were confused a bit about how the camera
image changes when you move the arm that
holds the camera and lens around the |
|
|
288
|
Wed Feb 1 15:35:30 2017 |
Gabriele | General | Daily Progress | excitation not working - FIXED | My bad, a cable was disconnected.
|
|
|
5
|
Wed Jul 18 18:43:34 2012 |
janosch | Optics | Characterization | gone with the wind | Here a little purple video. It starts with
scattering angle around 15deg and stops at
about 80deg. |
|
|
4
|
Tue Jul 17 18:32:11 2012 |
janosch | Optics | Characterization | purple images | We have the new 405nm laser pointer.
The image to the left shows the scattered
light from the red laser, the image to the |
|
|
6
|
Fri Jul 20 18:35:42 2012 |
janosch | Optics | Characterization | purple improvements and first uncalibrated BSDF curves | Today we improved alignment of the lens-camera
arm. We discovered earlier that this alignment
affects the amount of "snowfall" |
|
|
8
|
Fri Oct 12 16:23:20 2012 |
janosch | Optics | Daily Progress | reassembled setup | Nothing has happened since Steve, the visiting
highschool teacher, has left. Meanwhile,
some parts of the multi-color BRDF setup |
|
|
131
|
Wed Sep 28 10:26:58 2016 |
rana | General | General | references on ideal glasses | Some easy to read reviews on
thin films and ideal glass for people getting
started in this Q measuring game.
|
|
|
1
|
Wed Jul 11 23:01:01 2012 |
janosch | Optics | Characterization | starting the multi-color scatter experiment | Steve Maloney, a visiting highschool teacher,
and I have started to set up a new scattering
experiment in the Richter lab. The idea is |
|
|
7
|
Tue Jul 24 10:59:59 2012 |
janosch | Optics | Characterization | sum of purple and red | We played around with Matlab today. The
first step was to convert light wavelengths
into RGB colors. In this way we can combine |
|
|
41
|
Thu Jul 14 16:56:00 2016 |
Alena | Facility | Daily Progress | test vacuum system | Please see prosidures for pumping down
and venting with air for the test vacuum
chamber here |
|
|
3
|
Fri Jul 13 20:53:35 2012 |
janosch | Optics | Characterization | two images | The following two pictures were taken from
the same angle with green (left) and red
(right) incident laser at an angle of 15deg |
|