Differences between revisions 3 and 20 (spanning 17 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

[attachment:REFL55_response.pdf PDF file]

attachment:REFL55_transimpedance.png

attachment:current_noise_REFL55.png

attachment:idet_REFL55.png

LISO fitting

LISO fitting of the RF transimpedance

attachment: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 3 as of 2010-11-18 09:25:05 → 
  Size: 211
  Editor: JenneDriggers
  Comment:
+   ← Revision 20 as of 2011-11-05 02:27:08 → ⇥
  Size: 1789
  Editor: KojiArai
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 1:
-Schematic
+= 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
-Line 3:
+Line 8:
-= Optical Transfer Function =
+== Schematic ==
The schematic is missing.
-Line 5:
+Line 11:
-attachment:transfer_optical.png
+== 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 7:
+Line 16:
-= Electrical Transfer Function =
+[attachment:REFL55_response.pdf PDF file]
-Line 9:
+Line 18:
-attachment:transfer_electrical.png
+attachment:REFL55_transimpedance.png
-Line 11:
+Line 20:
-= RF Transimpedance =
+attachment:current_noise_REFL55.png
-Line 13:
+Line 22:
-attachment:transimpedance.png
+attachment:idet_REFL55.png

== LISO fitting ==

LISO fitting of the RF transimpedance

attachment: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
}}}