Differences between revisions 5 and 6

Optical Characterization

This page is intended for summarizing the interferometer optical characterization results and discussions. See following pages and documents for iKAGRA and bKAGRA Phase-1 characterization summary:

See following pages for some design parameters

RF Sidebands

f1 frequency
f2 frequency
f1 modulation depth
f2 modulation depth

Input Mode Cleaner

Round-trip length
- Design:
- Measured:
- Measurement method:
- Notes:
Finesse
- Design:
- Measured:
- Measurement method:
- Notes:

Arm Cavities

X-arm length
- Design:
- Measured:
- Measurement method:
- Notes:
X-arm finesse for IR
- Design:
- Measured:
- Measurement method:
- Notes:
X-arm round-trip loss
- Design:
- Measured:
- Measurement method:
- Notes:
X-arm mode-matching
- Measured:
- Measurement method:
- Notes:
X-arm finesse for green
- Design:
- Measured:
- Measurement method:
- Notes:
Y-arm length
- Design:
- Measured:
- Measurement method:
- Notes:
Y-arm finesse for IR
- Design:
- Measured:
- Measurement method:
- Notes:
Y-arm round-trip loss
- Design:
- Measured:
- Measurement method:
- Notes:
Y-arm mode-matching
- Measured:
- Measurement method:
- Notes:
Y-arm finesse for green
- Design:
- Measured:
- Measurement method:
- Notes:

Power Recycling Cavity

PRX length
- Design:
- Measured:
- Measurement method:
- Notes:
PRY length
- Design:
- Measured:
- Measurement method:
- Notes:
PRC Gouy phase
- Design:
- Measured:
- Measurement method:
- Notes:

Signal Recycling Cavity

SRX length
- Design:
- Measured:
- Measurement method:
- Notes:
SRY length
- Design:
- Measured:
- Measurement method:
- Notes:
SRC Gouy phase
- Design:
- Measured:
- Measurement method:
- Notes:

Michelson

Schnupp asymmetry
- Design:
- Measured:
- Measurement method:
- Notes:

Dual Recycled Michelson

Power recycling gain
- Design:
- Measured:
- Measurement method:
- Notes:

Power Recycled Fabry-Perot Michelson

Power recycling gain
- Design:
- Measured:
- Measurement method:
- Notes:
Power at each ISC detection ports when locked
- REFL:
- POP p-pol:
- POP s-pol:
- POS p-pol:
- POS s-pol:
- AS RF:
- OMC REFL:
- OMC TRANS:
- TRX:
- TRY:

Output Mode Cleaner

Round-trip length
- Design:
- Measured:
- Measurement method:
- Notes:
Finesse
- Design:
- Measured:
- Measurement method:
- Notes:

KAGRA/Subgroups/MIF/OpticalCharacterization (last edited 2021-08-11 16:03:32 by YutaMichimura)

-  ⇤ ← Revision 5 as of 2021-02-26 22:02:55 → 
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+   ← Revision 6 as of 2021-02-26 22:04:26 → ⇥
  Size: 3692
  Editor: YutaMichimura
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  * '''Measured''':
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+ * Y-arm mode-matching
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  * '''Measurement method''':
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+ * PRC Gouy phase
  * '''Design''':
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  * '''Notes''':
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+  * '''Design''':
  * '''Measured''':
  * '''Measurement method''':
  * '''Notes''':
 * SRC Gouy phase