公开(公告)号：US20240159971A1

公开(公告)日：2024-05-16

申请号：US18054428

申请日：2022-11-10

Applicant: Vector Atomic, Inc.

Inventor： Jonathan David ROSLUND ,  Martin Machai BOYD ,  Arman CINGOZ

IPC: G02B6/35 ,  G02B6/293

CPC classification number: G02B6/3594 ,  G02B6/29395 ,  G02B6/354

Abstract: Embodiments herein describe spectroscopy systems that provide frequency, amplitude, and power-stabilized light to a vapor cell. An optical signal can be split into two optical paths where a first optical path includes an AOM to perform frequency and amplitude modulation to generate a pump optical signal and a second optical path that includes a variable optical attenuator (VOA) for generating a probe optical signal. These optical signals can then be provided into a vapor cell (also referred to as a gas cell) to perform spectroscopy.

公开(公告)号：US20240337534A1

公开(公告)日：2024-10-10

申请号：US18296818

申请日：2023-04-06

Applicant: Vector Atomic, Inc.

Inventor： Martin Machai BOYD ,  Micah Perry LEDBETTER ,  William Lunden ,  Guthrie Bran PARTRIDGE ,  Jonathan David ROSLUND ,  Daniel SHEREDY

IPC: G01J3/44 ,  G01J3/12 ,  G01J3/42 ,  G01J3/433 ,  G01J3/447

CPC classification number: G01J3/4406 ,  G01J3/4338 ,  G01J3/447 ,  G01J2003/1252 ,  G01J2003/423 ,  G01J2003/4334

Abstract: Embodiments herein describe various arrangements of an optical bench used to perform spectroscopy. For example, a spectroscopy system may include a pump optical signal and a probe optical signal that are transmitted through a vapor cell on the optical bench. The optical bench can further include one or more optical components (e.g., beam splitter and a thin film polarizer) for redirecting a portion of the probe and pump optical signals to photodiodes. In one embodiment, the measurements obtained from the photodiodes can be used to perform multiple tasks. For example, the measurements can be used to adjust the power of the optical signals in the optical bench (e.g., make DC power adjustments), perform amplitude modulation correction, and lock a laser frequency to a peak of an absorption spectrum of the vapor in the vapor cell.

公开(公告)号：US20240094055A1

公开(公告)日：2024-03-21

申请号：US17933735

申请日：2022-09-20

Applicant: Vector Atomic, Inc.

Inventor： Jonathan David ROSLUND ,  Martin Machai BOYD ,  Arman CINGOZ ,  William David LUNDEN

IPC: G01J3/433 ,  G01J3/02

CPC classification number: G01J3/4338 ,  G01J3/0205

Abstract: Embodiments herein describe spectroscopy systems that use an unmodulated reference optical signal to mitigate noise, or for other advantages. In one embodiment, the unmodulated reference optical signal is transmitted through the same vapor cell as a modulated pump optical signal. As such, the unmodulated reference optical signal experiences absorption by the vapor, which converts laser phase noise to amplitude noise like the other optical signals passing through the vapor cell. In one embodiment, the unmodulated reference optical signal has an optical path in the gas cell that is offset (or non-crossing) from the optical path of the modulated pump optical signal. The unmodulated reference optical signal allows removal or mitigation of the noise on the other optical signal.