STATEMENT OF WORK.pdf

STATEMENT OF WORK FORMAT

HRS 500MS Monochromator

PR: _____________________

Note: Only use the sections that are applicable to your service procurement.

Background NASA Goddard Space Flight Center (GSFC) was awarded a three grant by the

NASA ROSES PICASSO program to develop solar (visible) blind, radiation hard, low dark current, deep-UV Silicon Carbide (SiC) detectors with CoolCAD Electronics as the co-investigator partner institution. This device will have applications in lunar, planetary, earth, space weather, and astrophysical sciences.

The project will implement and complete research and Deep-Ultraviolet (DUV) SiC detector array development activities to produce a compact high sensitivity proof of concept NUV focal plane assembly that can obtain radiance observations with a higher detectivity than previous generations of NUV spectrometers from 200-340nm at a R~200. These detectors will obtain remote sensing observations of targets in this spectral range with Signal to Noise Ratio (SNR) >10 better than current leading detectors from identical observational platforms. This enables measurements key to understanding the hydration state of the Moon and addresses questions in important areas of planetary science. Completion of this work complete this work requires characterization in wavelengths below 190 nm to greater than 1 µm with a spectral resolution finer than 0.2 nm. This spectral range requires specialized spectroscopy capabilities, including dry-nitrogen purge facility. The capabilities of the specified monochromator system (Teledyne Princeton Instruments HRS 500MS Monochromator shown in quote 28636_V) match research requirements and will enable us to complete the characterization on a timely manner commensurate with the program schedule.

Scope Current (FY23) plan is the design, optimization, and fabrication of individual pixels and small-scale (e.g., 2-pixel) arrays. These devices will be packaged and delivered by CoolCAD to GSFC for optical response testing in a laboratory breadboard utilizing the specified monochromator as a light modulation source controlled by the specified light field software, see attached ACR for associated software, the light field software does not create, store, or transmit data it solely controls mechanical components in the monochromator. The monochromator-based characterization setup will also be utilized in the next year (FY24) to characterize larger arrays with multiple broadband sources.

Requirements

Ability to characterization in wavelengths below 190 nm to greater than 1 µm with a spectral resolution finer than 0.2 nm. This spectral range requires specialized spectroscopy capabilities, including dry-nitrogen purge facility. The capabilities of the specified monochromator system match research requirements and will enable us to complete the characterization on a timely manner commensurate with the program schedule. Furthermore, GSFC has already invested effort in planning and developing testing facilities, including specialized automation controls, commensurate with these monochromator systems. The HRS-500MS is compatible with our software controllers while Systems from other manufacturers will require development of controllers that are beyond the cost and schedule of the proposed work. We compared similar systems from McPherson and Newport. The Newport system does not span the wavelengths shorter than 240 nm without significant modifications and schedule impact. While the comparable McPherson systems match our spectroscopic and purge requirements, their costs far exceed our budget (>$54,000). A “sole source” procurement of the Teledyne Princeton Instruments HRS-500MS package described in quote 28636_V2 is recommended and represents the best value to the Government.

Deliverables or Delivery Schedule

The Program Year (PY) 1 (the current year) plan is the design, optimization, and fabrication of individual pixels and small-scale (e.g., 2-pixel) arrays. These devices will be packaged and delivered by CoolCAD to GSFC for optical response testing in a laboratory breadboard. PY 2 will consist of electronic integration of the smaller scale arrays by the detectors lab and development and delivery of larger arrays from CoolCAD. Initial testing using the monochromator on the small scale arrays will be conducted in PY 2. PY 3 will include incorporation of the arrays into the optical bench. Once incorporated, testing on detector performance will be conducted using the monochromator and broadband sources.

Government-Furnished Equipment and Government-Furnished Information

Place of Performance

Monochromator and broadband optical testing will occur at NASA GSFC.

Period of Performance

PY 2 (09/23-09/24) will include fabrication tasks that consist of scaling up the pixel count for full resolution and array integration and testing of the delivered small scale arrays, including boards and electronics procurement and design involving the characterization of various components using the described monochromator and a light modulation source. PY 3 (09/24-09/25) will consist of array integration and testing, which will include multiplexing/redout electronics integration and radiometric testing. It will also include spectrometer testing and characterization once the detector is incorporated into the optical bench further requiring use of the proposed monochromator.