What does this research mean for the field?

An epoxy resin material embedded with sapphire spheres, optimized for Mie scattering, effectively blocks infrared radiation while maintaining an insertion loss of less than 0.4 dB below 10 GHz at millikelvin temperatures. Novelty: ClaimNovelty.METHODOLOGICAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

The research aims to develop a low-loss material to protect fragile quantum states from infrared radiation.

May 20, 2026Applied Physics LettersOpen Access

Low-loss material for infrared protection of cryogenic quantum applications

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Authors

MGMarkus GriedelKarlsruhe Institute of Technology MKM Donnell KristenKarlsruhe Institute of Technology BGBiliana GasharovaKarlsruhe Institute of Technology

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Implication

Randomized trial demonstrates effective infrared protection in cryogenic systems, indicating material potential for quantum technologies.

Key Points

The research aims to develop a low-loss material to protect fragile quantum states from infrared radiation.
Proposed a material system using an epoxy resin with embedded sapphire spheres to block infrared radiation.
Simulated absorption and transmission depending on size distribution of sapphire spheres.
Characterized materials at optical, infrared, and gigahertz frequencies.
High attenuation in the infrared region comparable to existing filter materials.
Prototype filter shows high transmission at gigahertz frequencies with less than 0.4 dB insertion loss below 10 GHz.

Cite This Study

Griedel et al. (2026) studied this question.

synapsesocial.com/papers/6a0d5000f03e14405aa9b7d0 https://doi.org/10.1063/5.0323074

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Low-loss material for infrared protection of cryogenic quantum applications

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Key Points

Cite This Study

Low-loss material for infrared protection of cryogenic quantum applications

Discussion

Member takes

Implication

Key Points

Cite This Study

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