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Lines in Space

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In three-dimensional analytic geometry, a line can be fully described using vector equations when both a point on the line and its direction are known. This approach has practical applications in fields such as engineering and surveying, where precise spatial modeling is essential. For instance, a laser beam from a surveying instrument directed across a construction site can be modeled mathematically as a line using vectors.Let the laser beam originate from a known point P₀, represented by the...

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Related Experiment Video

Updated: Jun 11, 2026

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

An all-fiber laser generating cylindrical vector beam.

Rui Zheng¹, Chun Gu, Anting Wang

¹Department of Optics and Optical Engineering, University of Science and Technology of China, Hefei, 230026, China.

|July 1, 2010

Summary

This summary is machine-generated.

We developed a novel all-fiber laser capable of generating switchable cylindrical vector beams. This laser utilizes fiber-based collimators and a Yb-doped gain medium for versatile beam generation.

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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

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Last Updated: Jun 11, 2026

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

Area of Science:

Optics and Photonics
Laser Physics

Background:

Cylindrical vector beams (CVBs) offer unique polarization properties.
Generating switchable CVBs in fiber lasers presents a challenge.

Purpose of the Study:

To propose and demonstrate an all-fiber laser system for generating switchable cylindrical vector beams.
To enable dynamic control over radial and azimuthal polarization states.

Main Methods:

Utilized a fiber laser system incorporating a Yb-doped fiber gain medium (70 cm).
Employed fiber-based collimators for CVB selection.
Implemented a pressure-induced fiber section for mode switching.

Main Results:

Successfully generated cylindrical vector beams.
Demonstrated switchable operation between radially and azimuthally polarized modes.
Achieved lasing at approximately 1030 nm.

Conclusions:

The proposed all-fiber laser provides a compact and effective solution for generating switchable CVBs.
The pressure-tuning mechanism offers a simple and robust method for mode control in fiber lasers.