Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Video

Updated: May 26, 2026

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

Published on: July 12, 2017

Equivalent optical model for lenslike gain medium in continuously single-end-pumped solid-state laser.

Liang Zhu¹, Mingjian Wang, Weibiao Chen

¹Research Center of Space Laser Information Technology, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China.

|December 24, 2011

Summary

Researchers developed a new optical model to precisely estimate laser spot size in solid-state lasers. This method improves accuracy for continuously pumped lasers, especially those with longer gain media.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Soluble CD163 in intracerebral hemorrhage: biomarker for perihematomal edema.

Annals of clinical and translational neurology·2017

Same author

Scattering measurement of single particle for highly sensitive homogeneous detection of DNA in serum.

Talanta·2017

Same author

The treatment of femoral neck fracture using VEGF-loaded nanographene coated internal fixation screws.

PloS one·2017

Same author

Splenectomy protects aged mice from injury after experimental stroke.

Neurobiology of aging·2017

Same author

Blockade of α7 nicotinic acetylcholine receptors inhibit nicotine-induced tumor growth and vimentin expression in non-small cell lung cancer through MEK/ERK signaling way.

Oncology reports·2017

Same author

Simultaneous evolutionary expansion and constraint of genomic heterogeneity in multifocal lung cancer.

Nature communications·2017

Area of Science:

Optics and Photonics
Laser Physics
Materials Science

Background:

Accurate estimation of laser mode spot size is crucial for optimizing solid-state laser performance.
Thermal lensing effects in gain media can significantly impact laser beam characteristics.
Existing models may not fully capture the complexities of thermal lensing in continuously pumped lasers.

Purpose of the Study:

To derive a novel ray matrix for thermal-induced lenslike media in continuously single-end-pumped solid-state lasers.
To develop and adapt an equivalent optical model for lenslike gain media.
To provide a more convenient and precise method for estimating laser spot size.

Main Methods:

Derivation of a ray matrix for a thermal-induced lenslike medium with exponential heat distribution.

More Related Videos

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Published on: November 22, 2019

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements

Published on: February 28, 2016

Related Experiment Videos

Last Updated: May 26, 2026

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

Published on: July 12, 2017

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Published on: November 22, 2019

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements

Published on: February 28, 2016

Development of an equivalent optical model tailored for lenslike gain media.

Verification through comparison with a simplified model and numerical simulations.

Main Results:

A new ray matrix for thermal lensing with exponential heat distribution was successfully derived.
The developed equivalent optical model offers improved accuracy and convenience for spot size estimation.
The model demonstrates superior fit to practical cases compared to previous simplified approaches.

Conclusions:

The novel ray matrix and optical model provide a significant advancement in estimating laser spot size.
This work is particularly beneficial for continuously pumped solid-state lasers with long gain media.
The findings enhance the design and optimization of modern laser systems.