Center Innovation Fund: JPL CIF
Compact Spectrometers Based on Linear Variable Filters
Project Introduction
Demonstrate a linear-variable spectrometer with an H2RG array. Linear Variable Filter (LVF) spectrometers provide attractive resource benefits – high optical throughput with minimal mass & volume and no moving parts. However LVF spectrometers have not been shown to meet the specific needs of astronomy which are much different from planetary mapping applications. Therefore we propose to demonstrate its use for astronomy at system level including: Spectral passband uniformity and blocking; Control of ghost reflections; Control of spectral curvature (aka ‘smile’); Stable response needed to stitch spectra together. Program leverages existing hardware from CIBER2 project:Hawaii-2RG array; Cryogenic f/3 telescope; Readout electronics; Optical collimator; Spectrometer; Large integrating sphere.
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Anticipated Benefits
Potential follow-on application include: CIBER2 will using 3 LVFs to study the absolute extragalactic background light spectrum on a NASA sounding rocket, and demonstrate for space. SPHEREx is a NASA SMEX mission recently selected for step 2. SPHEREx will use 4 large-area LVFs to produce spectra at 6″ resolution over entire sky. LVF spectrometers ideal for numerous space astronomy applications due to simplicity and minimal resource requirements.
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Primary U.S. Work Locations and Key Partners
| Organizations Performing Work | Role | Type | Location |
|---|---|---|---|
Jet Propulsion Laboratory
(JPL)
|
Lead Organization | NASA Center | Pasadena, CA |
| California Institute of Technology | Supporting Organization | Academic | Pasadena, CA |
Primary U.S. Work Locations
-
California
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Organizational Responsibility
Responsible Mission Directorate:
- Space Technology Mission Directorate (STMD)
Lead Center / Facility:
- Jet Propulsion Laboratory (JPL)
Responsible Program:
- Center Innovation Fund: JPL CIF
Project Management
Program Director:
Principal Investigator:
- James Bock
Project Duration
Start: Oct 2015
End: Sep 2016
Technology Maturity (TRL)
| Start: | 3 |
| Current: | 3 |
| Estimated End: | 6 |
Applied Research
Development
Demo & Test
Technology Areas
Primary:
- TA 8 Science Instruments, Observatories, and Sensor Systems
- TA 8.1 Remote Sensing Instruments and Sensors
- TA 8.1.3 Optical Components
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