From 0ec96711ac313eb7126b0ceafacc59e61a3bdc02 Mon Sep 17 00:00:00 2001
From: Jameson Graef Rollins <jameson.rollins@ligo.org>
Date: Tue, 7 Jul 2020 09:44:38 -0700
Subject: [PATCH] more minor pep8 cleanup
---
gwinc/ifo/noises.py | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/gwinc/ifo/noises.py b/gwinc/ifo/noises.py
index d149df63..06770cf4 100644
--- a/gwinc/ifo/noises.py
+++ b/gwinc/ifo/noises.py
@@ -51,7 +51,6 @@ def ifo_power(ifo, PRfixed=True):
"""Compute power on beamsplitter, finesse, and power recycling factor.
"""
- c = const.c
pin = ifo.Laser.Power
t1 = sqrt(ifo.Optics.ITM.Transmittance)
r1 = sqrt(1 - ifo.Optics.ITM.Transmittance)
@@ -65,7 +64,7 @@ def ifo_power(ifo, PRfixed=True):
# Finesse, effective number of bounces in cavity, power recycling factor
finesse = 2*pi / (t1**2 + 2*loss) # arm cavity finesse
- neff = 2 * finesse / pi
+ neff = 2 * finesse / pi
# Arm cavity reflectivity with finite loss
garm = t1 / (1 - r1*r2*sqrt(1-2*loss)) # amplitude gain wrt input field
@@ -79,12 +78,12 @@ def ifo_power(ifo, PRfixed=True):
r5 = sqrt(1 - Tpr)
prfactor = t5**2 / (1 + r5 * rarm * sqrt(1-bsloss))**2
- pbs = pin * prfactor # BS power from input power
+ pbs = pin * prfactor # BS power from input power
parm = pbs * garm**2 / 2 # arm power from BS power
thickness = ifo.Optics.ITM.get('Thickness', ifo.Materials.MassThickness)
asub = 1.3 * 2 * thickness * ifo.Optics.SubstrateAbsorption
- pbsl = 2 *pcrit / (asub+acoat*neff) # bs power limited by thermal lensing
+ pbsl = 2 * pcrit / (asub+acoat*neff) # bs power limited by thermal lensing
if pbs > pbsl:
logger.warning('P_BS exceeds BS Thermal limit!')
--
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