Differences between revisions 8 and 22 (spanning 14 versions)

REFL55

Modification history

The Dark Ages
May 2, 2011 New REFL55 built by Rana, characterized by Koji and Suresh
- http://nodus.ligo.caltech.edu:8080/40m/4605
- http://nodus.ligo.caltech.edu:8080/40m/4845

Schematic

The schematic is missing.

Characteristics

DC output / transimpedance: 50 V/A
RF output / transimpedance: 615 V/A (on a 50 Ohm load)
RF ouput / shotnoise intercept current: 1.59mA

PDF file

LISO fitting

LISO fitting of the RF transimpedance

REFL55.fil

LISO source file

zero 2.1728867814M 4.5134693861  ### fitted (name = zero0)
zero 146.9017957257M 1.3434381542  ### fitted (name = zero1)
zero 110.7760544465M 54.7546657526  ### fitted (name = zero2)

pole 146.4010456913k  ### fitted (name = pole0)
pole 135.9534421449M 1.4176195442  ### fitted (name = pole1)
pole 55.2752671333M 4.4892535896  ### fitted (name = pole2)
pole 112.4255940466M 7.3752213217  ### fitted (name = pole3)
pole 258.8607769692M 4.7961117461  ### fitted (name = pole4)

factor 76.7381620401  ### fitted 
delay 1.2182947701n  ### fitted

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

fit REFL55.bod absdeg semi 
rewrite samebetter 
gnuterm pdf 
freq log 1M 500M 1000 ### from data file

-  ⇤ ← Revision 8 as of 2011-06-03 01:45:07 → 
  Size: 537
  Editor: RanaAdhikari
  Comment:
+   ← Revision 22 as of 2012-01-03 23:02:44 → ⇥
  Size: 1808
  Editor: localhost
  Comment: converted to 1.6 markup
-Deletions are marked like this.
+Additions are marked like this.
 Line 1:
-## page was renamed from Electronics/REFL55
-Line 3:
+Line 2:
+== Modification history ==
 * The Dark Ages
 * May 2, 2011 New REFL55 built by Rana, characterized by Koji and Suresh
  * http://nodus.ligo.caltech.edu:8080/40m/4605
  * http://nodus.ligo.caltech.edu:8080/40m/4845
-Line 4:
+Line 8:
-attachment:schematic.pdf
+== Schematic ==
The schematic is missing.
-Line 6:
+Line 11:
-== RF Transimpedance ==
+== Characteristics ==
 * DC output / transimpedance: 50 V/A
 * RF output / transimpedance: 615 V/A (on a 50 Ohm load)
 * RF ouput / shotnoise intercept current: 1.59mA
-Line 8:
+Line 16:
-attachment:transimpedance.png
+[[attachment:REFL55_response.pdf|PDF file]]
-Line 10:
+Line 18:
-== Noise ==
+{{attachment:REFL55_transimpedance.png}}
-Line 12:
+Line 20:
-attachment:noise.png
+{{attachment:current_noise_REFL55.png}}
-Line 14:
+Line 22:
-The noise data was fit to attachment:fitfunc.png with the following results:
+{{attachment:idet_REFL55.png}}
-Line 16:
+Line 24:
-''Z'',,RF,, = (663 +- 1) Ohms
+== LISO fitting ==
-Line 18:
+Line 26:
-''I'',,d,, = (13.77 +- 0.05) mA
+LISO fitting of the RF transimpedance
-Line 20:
+Line 28:
-chi^2^ / ndf = 3.77
+[[attachment:REFL55.fil]]
-Line 22:
+Line 30:
-== RF Behavior with No Light ==
+LISO source file
{{{
zero 2.1728867814M 4.5134693861  ### fitted (name = zero0)
zero 146.9017957257M 1.3434381542  ### fitted (name = zero1)
zero 110.7760544465M 54.7546657526  ### fitted (name = zero2)
-Line 24:
+Line 36:
-attachment:timeseries.png
+pole 146.4010456913k  ### fitted (name = pole0)
pole 135.9534421449M 1.4176195442  ### fitted (name = pole1)
pole 55.2752671333M 4.4892535896  ### fitted (name = pole2)
pole 112.4255940466M 7.3752213217  ### fitted (name = pole3)
pole 258.8607769692M 4.7961117461  ### fitted (name = pole4)
-Line 26:
+Line 42:
-attachment:dark_spectrum.png
+factor 76.7381620401  ### fitted 
delay 1.2182947701n  ### fitted
-Line 28:
+Line 45:
-== Picture of Photodiode ==
+param zero0:f 10k 100M 
param zero0:q 0.1 100 
param zero1:f 10k 10G 
param zero1:q  0 100 
param zero2:f 10M 10G 
param zero2:q  0.1 100 
param pole0:f 0k 1G 
param pole1:f 0 1000M 
param pole1:q  0 1000 
param pole2:f 10M 100M 
param pole2:q  0.1 100 
param pole3:f 10M 1G 
param pole3:q  0.1 100 
param pole4:f 10M 1000M 
param pole4:q  0.1 100 
param factor 1p 1M 
param delay 1p 1m
-Line 30:
+Line 63:
-attachment:REFL55.jpg

Picture taken on 3/30/2011
+fit REFL55.bod absdeg semi 
rewrite samebetter 
gnuterm pdf 
freq log 1M 500M 1000 ### from data file
}}}