Multiphoton imaging with a novel compact diode-pumped Ti:sapphire oscillator

Area of Science:

• Biomedical Optics
• Laser Technology
• Microscopy

Background:

• Multiphoton laser scanning microscopy typically requires large, costly femtosecond lasers.
• Existing systems are often bulky, limiting their clinical and field applications.

Purpose of the Study:

• To develop a compact laser source for multiphoton microscopy.
• To integrate this novel laser into a clinical multiphoton tomograph.
• To assess the imaging performance of the system with various biological samples.

Main Methods:

• Integration of a minimal-footprint Ti:sapphire oscillator, diode-laser pumped.
• Utilized a frequency-doubled distributed Bragg reflector tapered diode laser as the pump source.
• Evaluated imaging capabilities on cell monolayers, corneal tissue, and human skin.

Main Results:

• Successfully integrated the compact Ti:sapphire laser into a clinical multiphoton tomograph.
• Demonstrated high-quality multiphoton imaging across diverse biological samples.
• The novel laser system achieved significant reductions in size and weight compared to conventional systems.

Conclusions:

• The developed compact Ti:sapphire laser enables the creation of significantly smaller and lighter multiphoton imaging systems.
• This advancement facilitates high-quality multiphoton imaging in more accessible and portable configurations.
• Opens possibilities for wider clinical adoption and advanced research applications of multiphoton tomography.