A glovebox-integrated confocal microscope for quantum sensing in inert atmosphere

Area of Science:

• Quantum sensing
• Materials science
• Spectroscopy

Background:

• Confocal microscopy is vital for fluorescent materials but ambient conditions degrade air-sensitive samples.
• Materials like black phosphorus are susceptible to laser-induced degradation under normal atmospheric conditions.

Purpose of the Study:

• To design and demonstrate a glovebox-integrated confocal microscope for studying air-sensitive materials.
• To enable nano-scale sensing and NMR spectroscopy of delicate samples in an inert atmosphere.

Main Methods:

• Integration of a confocal microscope within a glovebox for controlled atmosphere experiments.
• Utilizing nitrogen-vacancy (NV) centers for nano-scale sensing and spin manipulation.
• Employing black phosphorus as a test material to validate system performance.

Main Results:

• The glovebox successfully maintained low oxygen levels, preventing black phosphorus degradation.
• Demonstrated NV center detection and spin manipulation under a black phosphorus flake.
• Confirmed the system's capability for studying air-sensitive materials.

Conclusions:

• A glovebox-integrated confocal microscope facilitates the study of air-sensitive materials for quantum technology.
• This custom system opens new avenues for surface chemistry exploration in controlled environments.
• Highlights the strengths and challenges of glovebox-integrated confocal microscopy for quantum applications.