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Schottky Barrier Diode

Schottky Barrier Diode

Schottky barrier diodes are specialized semiconductor devices characterized by their unique construction. This construction involves combining a metal layer with a moderately doped n-type semiconductor material. This combination leads to the formation of a Schottky barrier, a pivotal element that defines the diode's operational characteristics. The core functionality of Schottky barrier diodes is their capacity to allow current to flow in only one direction due to their distinctive...

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Updated: Jun 20, 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

Fiber-bundle coupled, diode end-pumped Nd:YAG laser.

J Berger¹, D F Welch, W Streifer

¹Spectra Diode Laboratories, 80 Rose Orchard Way, San Jose, California 95134-1356, USA.

|September 12, 2009

Summary

This summary is machine-generated.

Seven laser-diode arrays end-pumped a Neodymium-doped Yttrium Aluminum Garnet (Nd:YAG) laser. This setup achieved 660 mW of single-mode output power with 4.4% efficiency.

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Area of Science:

Optics and Photonics
Solid-State Lasers
Laser Engineering

Background:

Diode-pumped solid-state lasers offer high efficiency and compact designs.
Nd:YAG lasers are widely used in various scientific and industrial applications.
Efficient end-pumping configurations are crucial for optimizing laser performance.

Purpose of the Study:

To investigate the performance of a Nd:YAG laser end-pumped by multiple laser-diode arrays.
To determine the maximum single-mode output power and overall efficiency achievable with this configuration.
To evaluate the effectiveness of fiber-coupled diode arrays for laser pumping.

Main Methods:

Utilized seven fiber-coupled laser-diode arrays as the pump source.
Combined the output of the laser diodes using a seven-fiber bundle.
End-pumped a Nd:YAG solid-state laser resonator.
Operated the laser diodes at a rated current of 1 A/diode.

Main Results:

Achieved a maximum TEM(00) single-mode output power of 660 mW.
Obtained a total electrical-to-optical conversion efficiency of 4.4%.
Demonstrated stable single-mode operation under the specified pumping conditions.

Conclusions:

Fiber-coupled laser-diode arrays are effective for end-pumping Nd:YAG lasers.
The achieved output power and efficiency are suitable for specific applications requiring high-quality laser beams.
This pumping scheme provides a viable route for developing compact and efficient solid-state laser systems.