SATPC0030495 Tab 04 4 SOW.pdf

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2 Channel-cut monochromators
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80NSSC23804991Q
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STATEMENT OF WORK

Channel-cut crystals made of InSb

June 6th, 2022

PR: __4200804991

Background The Athena X-ray Integral Field Unit (X-IFU) detector calibration team requires channel-cut crystals made of indium antimonide (InSb) for a for 2.3 keV monochromator that is needed for calibrating detectors for this flagship ESA mission.

Scope

The Government expects to take delivery of the X-ray source that fulfills the specifications listed below.

Requirements:

We need to purchase channel-cut crystals of InSb that meet all of our project requirements.

We require:

• 2 pcs of InSb(111) channel-cut monochromators

• InSb ingot is undoped, with dislocation density less than 1 per cm^2.

• Because of crystal ingot circular shape, some corners may be rounded without any negative influence on monochromator parameters.

Deliverables or Delivery Schedule

• 2 pcs of InSb(111) channel-cut monochromators

Exclusions: None.

• Delivery Schedule:

o 12 weeks ARO if possible given supply chain issues.

• Acceptance testing: None.

Government-Furnished Equipment and Government-Furnished Information

• None.

Place of Performance

• The chosen vendor will acquire and sell this cryocooler from their own location.

Period of Performance

• 5 months

File details come from the government source that posted it. Updated .