Differences between revisions 8 and 14 (spanning 6 versions)

POY11

Modification history

The Dark Ages
Jun 5, 2011 Built by Rana
- http://nodus.ligo.caltech.edu:8080/40m/4786
Jun 6, 2011 Characterized by Koji
- http://nodus.ligo.caltech.edu:8080/40m/4787

Schematic

[attachment:POY11_response.pdf PDF file]

Characteristics

DC output / transimpedance: 1.00 kV/A
RF output / transimpedance: 1.98 kV/A (on a 50 Ohm load)
RF ouput / shotnoise intercept current: 0.174mA

[attachment:POY11_response.pdf PDF file]

attachment:POY11_transimpedance.png

attachment:current_noise_POY11.png

attachment:idet_POY11.png

LISO fitting

LISO fitting of the RF transimpedance

attachment:POY11.fil

LISO source file

zero 687.6527206777k  ### fitted (name = zero0)
zero 1.6723212252M  ### fitted (name = zero1)
zero 21.9935689457M 56.2002778940  ### fitted (name = zero2)
zero 55.1964899637M 48.5699265475  ### fitted (name = zero3)
zero 77.3198555481M 317.8166257496m  ### fitted (name = zero4)
pole 1.1796262153M  ### fitted (name = pole0)
pole 11.0298162162M 7.5590422023  ### fitted (name = pole1)
pole 23.2546766037M 33.2689860258  ### fitted (name = pole2)
pole 57.5407171308M 15.8230444342  ### fitted (name = pole3)
pole 91.3587290118M 1.4134435541  ### fitted (name = pole4)
pole 262.0460207319M 8.3040423573  ### fitted (name = pole5)

factor 21.8290039606  ### fitted
delay 1.2204661655n  ### fitted

param zero0:f 10k 100M
param zero1:f 10k 10G
param zero2:f 10M 100M
param zero2:q  0.1 100
param zero3:f 10M 1000M
param zero3:q  0.1 100
param zero4:f 1M 1000M
param zero4:q  0.1 100
param pole0:f 0k 1G
param pole1:f 0 1000M
param pole1:q  0.1 1000
param pole2:f 10M 100M
param pole2:q  0.1 100
param pole3:f 10M 100M
param pole3:q  0.1 100
param pole4:f 10M 1000M
param pole4:q  0.1 100
param pole5:f 10M 1000M
param pole5:q  0.1 100
param factor 1p 1M
param delay 1p 1m

fit POY11.bod absdeg semi
rewrite samebetter
gnuterm pdf
freq log 100k 500M 1000 ### from data file

-  ⇤ ← Revision 8 as of 2011-03-03 05:10:21 → 
  Size: 1214
  Editor: JenneDriggers
  Comment:
+   ← Revision 14 as of 2011-11-08 01:06:47 → ⇥
  Size: 2041
  Editor: KojiArai
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 1:
-= POY =
+= POY11 =
== Modification history ==
 * The Dark Ages
 * Jun 5, 2011 Built by Rana
  * http://nodus.ligo.caltech.edu:8080/40m/4786
 * Jun 6, 2011 Characterized by Koji
  * http://nodus.ligo.caltech.edu:8080/40m/4787
-Line 3:
+Line 9:
-== RF Transimpedance ==
+== Schematic ==
[attachment:POY11_response.pdf PDF file]
-Line 5:
+Line 12:
-attachment:transimpedance.png
+== Characteristics ==
 * DC output / transimpedance: 1.00 kV/A
 * RF output / transimpedance: 1.98 kV/A (on a 50 Ohm load)
 * RF ouput / shotnoise intercept current: 0.174mA
-Line 7:
+Line 17:
-The above fit was done in LISO in root mode. The results of the fit are the following:
+[attachment:POY11_response.pdf PDF file]
-Line 9:
+Line 19:
-factor = (1.11 +- 0.03) Ohms
+attachment:POY11_transimpedance.png
-Line 11:
+Line 21:
-delay = (370 +- 60) ps
+attachment:current_noise_POY11.png
-Line 13:
+Line 23:
-five poles:
|| frequency (MHz) || Q ||
|| 11.133 +- 0.002 || 15.85 +- 0.09 ||
|| 24.82 +- 0.01 || 6.21 +- 0.03 ||
|| 41.0 +- 0.5 || 0.469 +- 0.006 ||
|| 228.8 +- 0.4 || 2.74 +- 0.03 ||
|| 9.77 +- 0.05 || 0.641 +- 0.003 ||
+attachment:idet_POY11.png
-Line 21:
+Line 25:
-five zeros:
|| frequency (MHz) || Q ||
|| 22.167 +- 0.003 || 52.5 +- 0.7 ||
|| 55.06 +- 0.03 || 20.6 +- 0.6 ||
|| 0.555 +- 0.007 || (600 +- 27) x 10^3^ ||
|| 9000 +- 4000 || (86 +- 2) x 10^3^ ||
|| 140 +- 50 || 0.09 +- 0.03 ||
+== LISO fitting ==
-Line 29:
+Line 27:
-chi^2/ndf = 557
+LISO fitting of the RF transimpedance
-Line 31:
+Line 29:
-=== Alberto's LISO Model ===
+attachment:POY11.fil
-Line 33:
+Line 31:
-attachment:poy_tf.pdf
+LISO source file
{{{
zero 687.6527206777k  ### fitted (name = zero0)
zero 1.6723212252M  ### fitted (name = zero1)
zero 21.9935689457M 56.2002778940  ### fitted (name = zero2)
zero 55.1964899637M 48.5699265475  ### fitted (name = zero3)
zero 77.3198555481M 317.8166257496m  ### fitted (name = zero4)
pole 1.1796262153M  ### fitted (name = pole0)
pole 11.0298162162M 7.5590422023  ### fitted (name = pole1)
pole 23.2546766037M 33.2689860258  ### fitted (name = pole2)
pole 57.5407171308M 15.8230444342  ### fitted (name = pole3)
pole 91.3587290118M 1.4134435541  ### fitted (name = pole4)
pole 262.0460207319M 8.3040423573  ### fitted (name = pole5)
-Line 35:
+Line 45:
-== Noise ==
+factor 21.8290039606  ### fitted
delay 1.2204661655n  ### fitted
-Line 37:
+Line 48:
-attachment:noise.png
+param zero0:f 10k 100M
param zero1:f 10k 10G
param zero2:f 10M 100M
param zero2:q  0.1 100
param zero3:f 10M 1000M
param zero3:q  0.1 100
param zero4:f 1M 1000M
param zero4:q  0.1 100
param pole0:f 0k 1G
param pole1:f 0 1000M
param pole1:q  0.1 1000
param pole2:f 10M 100M
param pole2:q  0.1 100
param pole3:f 10M 100M
param pole3:q  0.1 100
param pole4:f 10M 1000M
param pole4:q  0.1 100
param pole5:f 10M 1000M
param pole5:q  0.1 100
param factor 1p 1M
param delay 1p 1m
-Line 39:
+Line 70:
-The noise data was fit to attachment:fitfunc.png with the following results:

''Z'',,RF,, = (3.852 +- 0.005) kOhms

''I'',,d,, = (139.4 +- 0.8) uA

chi^2^ / ndf = 9.97

=== Alberto's LISO Model ===

attachment:poy_noise.pdf

== RF Behavior with No Light ==

attachment:timeseries.png

attachment:dark_spectrum.png

== Picture of Photodiode ==

attachment:POY.jpg

Picture taken on 2/3/2011
+fit POY11.bod absdeg semi
rewrite samebetter
gnuterm pdf
freq log 100k 500M 1000 ### from data file
}}}