Scalable aspheric corrective mirror for end-pumped solid-state lasers

Area of Science:

• Optics and Photonics
• Laser Physics
• Materials Science

Background:

• End-pumped solid-state lasers are susceptible to optical aberrations caused by thermal effects.
• These aberrations degrade laser performance and beam quality.
• Active aberration correction is crucial for maintaining optimal laser operation.

Purpose of the Study:

• To present a procedure for designing aspheric corrective mirrors.
• To address thermally induced optical aberrations in end-pumped solid-state lasers.
• To enable scalable aberration correction for dynamic pump power adjustments.

Main Methods:

• The design procedure solves the inverse problem of thin plate bending.
• It involves calculating a variable thickness profile from a given deflection profile.
• This is achieved by solving the differential equation for plate bending.

Main Results:

• A method for designing aspheric corrective mirrors to counteract thermal aberrations is established.
• The design allows for real-time scaling of aberration correction with pump power.
• Guidelines for the fabrication of these specialized mirrors are provided.

Conclusions:

• The presented design procedure offers an effective solution for thermal aberration correction in solid-state lasers.
• The scalability of the correction method enhances its practical applicability in dynamic laser systems.
• Successful fabrication of the aspheric mirrors is feasible with the provided guidelines.