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Demonstration of Thermal Images Captured by a Backside Illuminated Transition Edge Bolometer

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arxiv 2108.10154 v1 pith:H6UJQ3AH submitted 2021-08-18 physics.ins-det cond-mat.supr-con

Demonstration of Thermal Images Captured by a Backside Illuminated Transition Edge Bolometer

classification physics.ins-det cond-mat.supr-con
keywords thermalimagesdetectortemperaturebacksidecapturecaptureddevice
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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A high temperature superconducting detector was fabricated to capture the thermal images in room temperature background. The detector was made of YBa2Cu3O7-{\delta} (YBCO) superconducting thin film deposited on an Yttria Stabilized Zirconia (YSZ) substrate, structurally modified for high responsivity performance. A very thin absorber layer was implemented on the backside of the detector to increase the absorption of the device at infrared (IR) range of frequencies. To capture thermal images, a movable off-axis parabolic mirror on XY plane was used for focusing the incoming IR radiation including the thermal signal of the objects onto the device surface. The captured thermal images belong to the objects within the temperature range between 300K and 400K, which correspond to our imaging optics.

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