Dynamic Laser Frequency Combs for Astronomical Spectrograph Characterization and Calibration

Pooja Sekhar; Connor Fredrick; Molly Kate Kreider; Peter Zhong; Suvrath Mahadevan; Scott A. Diddams

doi:10.1364/CLEO_SI.2025.SS123_2

Dynamic Laser Frequency Combs for Astronomical Spectrograph Characterization and Calibration

Pooja Sekhar
, Connor Fredrick
, Molly Kate Kreider
, Peter Zhong
, Suvrath Mahadevan
, Scott A. Diddams

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

We demonstrate a dynamic frequency comb, which is tunable in both frequency and intensity, to characterize and calibrate an astronomical spectrograph. These capabilities are critical for achieving cm/s level radial velocity precision to detect Earth-analogs.

Original language	English (US)
Title of host publication	CLEO
Subtitle of host publication	Science and Innovations - Proceedings CLEO 2025
Publisher	Optical Society of America
ISBN (Electronic)	9781957171500
DOIs	https://doi.org/10.1364/CLEO_SI.2025.SS123_2
State	Published - 2025
Event	2025 CLEO: Science and Innovations, CLEO-SI 2025 - Long Beach, United States Duration: May 4 2025 → May 9 2025

Publication series

Name	CLEO: Science and Innovations - Proceedings CLEO 2025

Conference

Conference	2025 CLEO: Science and Innovations, CLEO-SI 2025
Country/Territory	United States
City	Long Beach
Period	5/4/25 → 5/9/25

All Science Journal Classification (ASJC) codes

General Computer Science
Space and Planetary Science
Control and Systems Engineering
Electrical and Electronic Engineering
Electronic, Optical and Magnetic Materials
Instrumentation

Access to Document

10.1364/CLEO_SI.2025.SS123_2

Cite this

Sekhar, P., Fredrick, C., Kreider, M. K., Zhong, P., Mahadevan, S., & Diddams, S. A. (2025). Dynamic Laser Frequency Combs for Astronomical Spectrograph Characterization and Calibration. In CLEO: Science and Innovations - Proceedings CLEO 2025 (CLEO: Science and Innovations - Proceedings CLEO 2025). Optical Society of America. https://doi.org/10.1364/CLEO_SI.2025.SS123_2

@inproceedings{08f8a01f1720471e98ad97a405cdfcc8,

title = "Dynamic Laser Frequency Combs for Astronomical Spectrograph Characterization and Calibration",

abstract = "We demonstrate a dynamic frequency comb, which is tunable in both frequency and intensity, to characterize and calibrate an astronomical spectrograph. These capabilities are critical for achieving cm/s level radial velocity precision to detect Earth-analogs.",

author = "Pooja Sekhar and Connor Fredrick and Kreider, \{Molly Kate\} and Peter Zhong and Suvrath Mahadevan and Diddams, \{Scott A.\}",

note = "Publisher Copyright: {\textcopyright} Optica Publishing Group 2025 {\textcopyright} 2024 The Author(s); 2025 CLEO: Science and Innovations, CLEO-SI 2025 ; Conference date: 04-05-2025 Through 09-05-2025",

year = "2025",

doi = "10.1364/CLEO\_SI.2025.SS123\_2",

language = "English (US)",

series = "CLEO: Science and Innovations - Proceedings CLEO 2025",

publisher = "Optical Society of America",

booktitle = "CLEO",

}

Sekhar, P, Fredrick, C, Kreider, MK, Zhong, P, Mahadevan, S & Diddams, SA 2025, Dynamic Laser Frequency Combs for Astronomical Spectrograph Characterization and Calibration. in CLEO: Science and Innovations - Proceedings CLEO 2025. CLEO: Science and Innovations - Proceedings CLEO 2025, Optical Society of America, 2025 CLEO: Science and Innovations, CLEO-SI 2025, Long Beach, United States, 5/4/25. https://doi.org/10.1364/CLEO_SI.2025.SS123_2

Dynamic Laser Frequency Combs for Astronomical Spectrograph Characterization and Calibration. / Sekhar, Pooja; Fredrick, Connor; Kreider, Molly Kate et al.
CLEO: Science and Innovations - Proceedings CLEO 2025. Optical Society of America, 2025. (CLEO: Science and Innovations - Proceedings CLEO 2025).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

TY - GEN

T1 - Dynamic Laser Frequency Combs for Astronomical Spectrograph Characterization and Calibration

AU - Sekhar, Pooja

AU - Fredrick, Connor

AU - Kreider, Molly Kate

AU - Zhong, Peter

AU - Mahadevan, Suvrath

AU - Diddams, Scott A.

PY - 2025

Y1 - 2025

N2 - We demonstrate a dynamic frequency comb, which is tunable in both frequency and intensity, to characterize and calibrate an astronomical spectrograph. These capabilities are critical for achieving cm/s level radial velocity precision to detect Earth-analogs.

AB - We demonstrate a dynamic frequency comb, which is tunable in both frequency and intensity, to characterize and calibrate an astronomical spectrograph. These capabilities are critical for achieving cm/s level radial velocity precision to detect Earth-analogs.

UR - https://www.scopus.com/pages/publications/105033614444

UR - https://www.scopus.com/pages/publications/105033614444#tab=citedBy

U2 - 10.1364/CLEO_SI.2025.SS123_2

DO - 10.1364/CLEO_SI.2025.SS123_2

M3 - Conference contribution

AN - SCOPUS:105033614444

T3 - CLEO: Science and Innovations - Proceedings CLEO 2025

BT - CLEO

PB - Optical Society of America

T2 - 2025 CLEO: Science and Innovations, CLEO-SI 2025

Y2 - 4 May 2025 through 9 May 2025

ER -

Dynamic Laser Frequency Combs for Astronomical Spectrograph Characterization and Calibration

Abstract

Publication series

Conference

All Science Journal Classification (ASJC) codes

Access to Document

Other files and links

Fingerprint

Cite this