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Space
Qualification
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Features
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Light Sources
- VUV, UV, VIS, IR
- D2, Ar, Kr, Ne, Xe Hg
Line and Continuum RF Powered Gas Discharge Sources
- Tungsten VIS, IR Sources
- Flash lamp Source
- Tested in our Thermal
Vacuum Chamber
- Spectroscopic
Calibration in Vacuum
- Compact EMI Shielded
Housings
- Can be Radiation
Hardened to 100 K Rad.
- Operational Temp Ranges to -25 to +85 C
- Typical Input is +28 V
/1 to 10 watts
- Rare Gas Sources Reach
Full Intensity in Less Than One Second
- Kr Line Source Shows 50
Percent Degradation in Approx. 2400 Hours at 1165/1236 Angstroms
- Shock and Vibration
Tested
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Fibre Optics
- Meet all applicable
space qualification specifications listed below
- Spectral transmission
range from 178nm – 2000nm
- Core diameters from
100um – 1000um
- Single or Multiple fibre
bundles
- SMA 905 or 906
connectors standard, other connectors custom
- Low out-gassing woven
jacket design eliminates virtual leakage
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Applications
- In-Flight Calibration of:
- Spectrometers
- Photometers
- Channeltron Arrays
- Fluorescence and
Absorption Measurements of O, H, N, Cl, OH and NO
- Photoionizaton Sources
- Photoemission Sources
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General
Specifications
for
Flight
Qualified Sources
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- Dimensions: as small as 10 cubic
inches including electronics and shielding
- Power: 15V TO 30V; 50 TO 700
ma depending on requirements
- Mass: 100 to 650 GMS.
depending on features
- General (for RF powered):
- 100 MHz RF powered
electrodeless discharge
- Thermal control circuit
- EMI shielded enclosure
- 4 mm diameter plasma 2
cm in length (typical)
- 1 cm behind 1 cm
aperture MgF2 window
- Approximately 45 degree
FWHM optical cone
- Optical: Depending on lamp type
Radiation in the 100 to 6000 NM region. See specs on individual lamps.
- UV/VUV Flux (for RF
powered) >10^15
photons/sec/sterad/cm^2
- Out-gassing: NASA SP-R-0022A
- Components:
- ICS: Mil-Std-883 Level B
or better
- Semiconductors: JAN TXV
- Resistors: ER types per
Mil-Std-198
- PWBs: Mil-P-5511OD, Mat
to Mil-P-12949F/type 6F
- Conformal Coating: Uralane 5750 A/B
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- EMI: Mil-Std-461B, CE 01, CE
03, CE 04, RE 02 with Mil 521 extension in Shuttle com bands
- Vibration: Random 3 Axis, 18-g
rms. 3 min per axis (Delta launch)
- 20 to 80 Hz 1.5 dB per
octave
- 80 to 500 Hz 0.2 per Hz
- 500 to 2000 Hz, -1.5 dB
per octave
- Metal finish options:
- Gold top layer with
nickel undercoat plating
- Alodine chem. conversion
to Mil-Std-5541C Class 3
- Assembly detail:
- 300 series SS hardware
- No castings
- All enclosed volumes
larger than 0.1 cm^2 are vented
- Testing:
- Component screening (as
required)
- Board level ESS testing
for infant mortality screening on flight boards
- Thermal Vacuum
qualification and acceptance test at <2E-6 torr in Cryo pumped
chamber (-25 C to +85 C typical)
- Certified 3 axis random
or sine vibe as required
- Certified EMI as required
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