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Preparation of High-Temperature Sample Grids for Cryo-EM
Published on: July 26, 2021
Far infrared polarizing grids for use at cryogenic temperatures
Applied Optics
|June 18, 2010
Summary
A new method creates reliable free-standing wire grids for far-infrared (far-IR) polarizers. These grids withstand repeated temperature changes between room temperature and 1.5 K.
Area of Science:
- Physics
- Materials Science
- Optical Engineering
Background:
- Far-infrared (far-IR) spectroscopy requires precise optical components.
- Developing robust polarizers for cryogenic applications presents significant challenges.
Purpose of the Study:
- To present a novel technique for fabricating free-standing wire grids.
- To demonstrate the reliability of these grids as far-IR polarizers under cryogenic conditions.
Main Methods:
- A fabrication technique for creating free-standing wire grids was developed.
- The performance and durability of the grids were tested under repeated thermal cycling.
Main Results:
- The developed technique successfully produced free-standing wire grids.
- The wire grids functioned reliably as far-IR polarizers.
- The grids demonstrated robustness through repeated cycling between room temperature and 1.5 K.
Conclusions:
- The presented technique offers a reliable method for constructing far-IR polarizers.
- These free-standing wire grids are suitable for applications requiring cryogenic operation.

