Jezdan Gomez

Spec your filter

A request for quote for a bandpass filter, built from the questions a supplier asks: center wavelength and tolerance, bandwidth, blocking, beam geometry, mechanics, environment, quantity and documents. The required optical density, the angle and cone shifts and the thermal window are computed from the entries and printed on the sheet.

Application

The instrument, the receiver behind the filter, what fails today.

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Continue opens once these are complete: Use of the filter.

Request for quote: bandpass filter

Date
SpecificationValueConditionNote
Angle of incidence0°Chief ray at the filter
Beam at the filterCollimated
PolarizationUnpolarizedSpecs apply to the average of s and p
MountingMounted in a ring
SubstrateSupplier's choice
Surface quality60-40Scratch-dig, over the clear aperture
CWL temperature coefficient5 pm/KValue used in the checks; supplier to confirm

Open questions for the supplier

None from the computed checks.

Documents requested

No documents selected.

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