An introduction to the water recovery x-ray rocket

Miles, Drew M.; McEntaffer, Randall L.; Schultz, Ted; Donovan, Benjamin D.; Tutt, James H.; Yastishock, Daniel; Steiner, Tyler; Hillman, Christopher; McCoy, Jake; Wages, Mitchell; Hull, Sam; Falcone, A.; Burrows, D. N.; Chattopadhyay, Tanmoy; Anderson, Tyler; McQuaide, Maria

doi:10.1117/12.2274249

Cited by 10 publications

(12 citation statements)

References 8 publications

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“…This H2RG detector recently flew on the Water Recovery X-ray Rocket as part of a diffuse soft x-ray spectrometer. 22,23 The detector operated nominally and detected x-rays during flight, raising this particular sensor to TRL-9. Although this x-ray HCD is flight proven, further developments are needed for HDXI due to its fine angular resolution and rapid low-noise readout requirements.…”

Section: Hxrg X-ray Detectorsmentioning

confidence: 99%

Hybrid CMOS detectors for the Lynx x-ray surveyor high definition x-ray imager

Hull

Falcone

Bray

et al. 2019

J. Astron. Telesc. Instrum. Syst.

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X-ray hybrid CMOS detectors (HCDs) are a promising candidate for future x-ray missions requiring high throughput and fine angular resolution along with large field-of-view, such as the high-definition x-ray imager (HDXI) instrument on the Lynx x-ray surveyor mission concept. These devices offer fast readout capability, low power consumption, and radiation hardness while maintaining high detection efficiency from 0.2 to 10 keV. In addition, x-ray hybrid CMOS sensors may be fabricated with small pixel sizes to accommodate high-resolution optics and have shown great improvements in recent years in noise and spectral resolution performance. In particular, 12.5-μm pitch prototype devices that include in-pixel correlated double sampling capability and crosstalk eliminating capacitive transimpedance amplifiers, have been fabricated and tested. These detectors have achieved read noise as low as 5.4 e − , and we measure the best energy resolution to be 148 eV (2.5%) at 5.9 keV and 78 eV (14.9%) at 0.53 keV. We will describe the characterization of these prototype small-pixel x-ray HCDs, and we will discuss their applicability to the HDXI instrument on Lynx. © The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.

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Section: Hxrg X-ray Detectorsmentioning

confidence: 99%

Hybrid CMOS detectors for the Lynx x-ray surveyor high definition x-ray imager

Hull

Falcone

Bray

et al. 2019

J. Astron. Telesc. Instrum. Syst.

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“…A more detailed optical design discussion can be found in Donovan et al 6 Once the optic has been manufactured, it has to be mounted onto the rocket in a way that allows its precision alignment to the focal plane while still being strong enough to survive launch vibrations. Finite element analysis has shown that an optical bench design, similar to the one used on WRXR, 7 will sufficiently damp launch vibrations to not cause damage to the optic. The optical bench on WRXR was cantilevered from the focal plane bulkhead, which provided a 2 m length of cylindrical aluminum to damp any vibrations.…”

Section: Optical Assemblymentioning

confidence: 99%

“…On past missions, such as the Water Recovery X-ray Rocket (WRXR), liquid nitrogen was used to cool the detector before flight. 7 This was achieved using a PID controller and solenoid to gradually reduce the temperature of the detector to the desired level. On OGRE, the detectors will not need to get as cold (target temperature is -100 • C) allowing a cold reservoir of LN2 to be used.…”

Section: Coolingmentioning

confidence: 99%

The Off-plane Grating Rocket Experiment (OGRE) system overview

Tutt

McEntaffer

Donovan

et al. 2018

Space Telescopes and Instrumentation 2018: Ultraviolet to Gamma Ray

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The Off-plane Grating Rocket Experiment (OGRE) is a sub-orbital rocket payload that will make the highest spectral resolution astronomical observation of the soft X-ray Universe to date. Capella, OGRE's science target, has a well-defined line emission spectrum and is frequently used as a calibration source for X-ray observatories such as Chandra. This makes Capella an excellent target to test the technologies on OGRE, many of which have not previously flown. Through the use of state-of-the-art X-ray optics, co-aligned arrays of off-plane reflection gratings, and an X-ray camera based around four Electron Multiplying CCDs, OGRE will act as a proving ground for next generation X-ray spectrometers.

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“…For a more complete description of the instrument design and full specifications, see Miles et al (2017). 23…”

Section: Hcds On the Water Recovery X-ray Rocketmentioning

confidence: 99%

Recent X-ray hybrid CMOS detector developments and measurements

Hull

Falcone

Burrows

et al. 2017

UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XX

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The Penn State X-ray detector lab, in collaboration with Teledyne Imaging Sensors (TIS), have progressed their efforts to improve soft X-ray Hybrid CMOS detector (HCD) technology on multiple fronts. Having newly acquired a Teledyne cryogenic SIDECAR TM ASIC for use with HxRG devices, measurements were performed with an H2RG HCD and the cooled SIDECAR TM . We report new energy resolution and read noise measurements, which show a significant improvement over room temperature SIDECAR TM operation. Further, in order to meet the demands of future high-throughput and high spatial resolution X-ray observatories, detectors with fast readout and small pixel sizes are being developed. We report on characteristics of new X-ray HCDs with 12.5 micron pitch that include in-pixel CDS circuitry and crosstalk-eliminating CTIA amplifiers. In addition, PSU and TIS are developing a new large-scale array Speedster-EXD device. The original 64 × 64 pixel Speedster-EXD prototype used comparators in each pixel to enable event driven readout with order of magnitude higher effective readout rates, which will now be implemented in a 550 × 550 pixel device. Finally, the detector lab is involved in a sounding rocket mission that is slated to fly in 2018 with an off-plane reflection grating array and an H2RG X-ray HCD. We report on the planned detector configuration for this mission, which will increase the NASA technology readiness level of X-ray HCDs to TRL 9.

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An introduction to the water recovery x-ray rocket

Cited by 10 publications

References 8 publications

Hybrid CMOS detectors for the Lynx x-ray surveyor high definition x-ray imager

Hybrid CMOS detectors for the Lynx x-ray surveyor high definition x-ray imager

The Off-plane Grating Rocket Experiment (OGRE) system overview

Recent X-ray hybrid CMOS detector developments and measurements

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