Simple imaging for the diamond anvil cell: Applications to hard-to-reach places

Area of Science:

• Materials Science
• High-Pressure Physics
• Optical Engineering

Background:

• High-pressure gases are widely used in diamond anvil cell (DAC) experiments as pressure-transmitting media, samples, or reactants.
• These gases are essential for creating quasi-hydrostatic compression environments within the DAC.
• Visualizing the sample chamber under these conditions is challenging due to the experimental setup.

Purpose of the Study:

• To present a novel optical design for high-resolution imaging of the gasket and sample chamber in a DAC.
• To enable clear visualization of samples under high gas pressures within a gas loading apparatus.
• To offer a versatile and adaptable imaging solution for DAC experiments.

Main Methods:

• Development of a simple and low-cost optical design.
• Integration of the optical design with a gas loading apparatus for DAC experiments.
• Focus on achieving high-resolution imaging of the internal cell components.

Main Results:

• The proposed optical design facilitates high-resolution imaging of the DAC gasket and sample chamber.
• The system effectively visualizes samples under high gas pressures.
• The design is adaptable to various gas loading apparatus and other challenging environments.

Conclusions:

• The developed optical design provides a simple, cost-effective method for high-resolution imaging in DAC experiments.
• This technique enhances the ability to study samples under high-pressure gas conditions.
• The adaptability of the design makes it valuable for a range of difficult-to-access experimental setups, including those with large stand-off distances.