Differences between revisions 7 and 18 (spanning 11 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

-  ⇤ ← Revision 7 as of 2011-03-31 07:33:42 → 
  Size: 492
  Editor: JenneDriggers
  Comment:
+   ← Revision 18 as of 2011-11-05 02:23:50 → ⇥
  Size: 701
  Editor: KojiArai
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 3:
-attachment:schematic.pdf
+== 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 5:
+Line 9:
-== RF Transimpedance ==
+== Schematic ==
-Line 7:
+Line 11:
-attachment:transimpedance.png
+The schematic is missing.
-Line 9:
+Line 13:
-== Noise ==
+== Characteristics ==
-Line 11:
+Line 15:
-attachment:noise.png
+ * 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 13:
+Line 19:
-The noise data was fit to attachment:fitfunc.png with the following results:
+[attachment:REFL55_response.pdf PDF file]
-Line 15:
+Line 21:
-''Z'',,RF,, = (663 +- 1) Ohms
+attachment:REFL55_transimpedance.png
-Line 17:
+Line 23:
-''I'',,d,, = (13.77 +- 0.05) mA
+attachment:current_noise_REFL55.png
-Line 19:
+Line 25:
-chi^2^ / ndf = 3.77
+attachment:idet_REFL55.png
-Line 21:
+Line 27:
-== RF Behavior with No Light ==
+== LISO fitting ==
-Line 23:
+Line 29:
-attachment:timeseries.png
+LISO fitting of the RF transimpedance
-Line 25:
+Line 31:
-attachment:dark_spectrum.png

== Picture of Photodiode ==

attachment:REFL55.jpg

Picture taken on 3/30/2011
+attachment:REFL55.fil