Cosmic Explorer Strain Sensitivity

Document #:

CE-T2000017-v8

Document type:

T - Technical notes

Abstract:

Strain ASDs for different Cosmic Explorer detectors

* cosmic_explorer_strain.txt is the baseline 40 km detector
* cosmic_explorer_20km_strain.txt is the baseline 20 km detector ("compact binary tuned")
* cosmic_explorer_20km_pm_strain.txt is the 20 km detector tuned for post-merger signals
* cosmic_explorer_40km_lf_strain.txt is the 40 km detector tuned for low-freqency signals

See
https://arxiv.org/abs/2201.10668
or
https://arxiv.org/abs/2109.09882
for more information about the different detectors and tunings.

Strain curves in ce_strain.zip are calculated for a source 15 degrees off of normal incidence. See ce_displacement.zip for displacement sensitivities. Note that, due to the long arms of Cosmic Explorer, displacement cannot be converted into strain by simply dividing by the arm length.

Files in Document:

• ce_displacement.zip (75.1 kB)
• ce_strain.zip (74.7 kB)

Other Files:

• ce_displacement.pdf (20.0 kB)
• ce_strain.pdf (19.1 kB)

Topics:

• Detector

Authors:

• Kevin Kuns
• Paul Fulda
• Lisa Barsotti
• Matthew Evans

Notes and Changes:

v8: Increased SEC lengths for more realistic optical design; impacts high frequency sensitivity
v7: make public page point to abstract; no change to noise.
v6: Added displacement sensitivities
v5: Added 20km compact binary and post-merger and 40 km low-frequency curves
v4: Curve from the Cosmic Explorer Horizon Study CE-P2100003
v3: Curves from arXiv:2012.03608
v2: Updated test mass sizes, radii of curvature, and suspensions.

Related Documents:

• CE-P2100003: Cosmic Explorer Horizon Study

Referenced by:

• CE-T2000007-v5: OBSOLETE (DO NOT USE): Sensitivity Curves for the Cosmic Explorer Trade Study