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⇤ ← Revision 2 as of 2010-11-18 09:18:03 →
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← Revision 22 as of 2012-01-03 23:02:44 → ⇥
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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
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= Optical Transfer Function = == Schematic ==
The schematic is missing.
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= Electrical Transfer Function = == 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
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= RF Transimpedance = [[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
}}}

REFL55

Modification history

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

REFL55_transimpedance.png

current_noise_REFL55.png

idet_REFL55.png

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

Electronics/RFPD/REFL55 (last edited 2012-01-03 23:02:44 by localhost)