Laser diode beam shaping by optical interference

We recently proposed a novel beam shaping technique that employs Lloyd''s mirror interference. In this study, we

Laser Diode Collimators

A laser diode collimator is an optical device, typically containing one or more lenses, used to transform the

Divergence Angle of Laser Diode Bars: From Broad

Divergence Angle of Laser Diode Bars: From Broad Beams to High-Efficiency Applications As high-power

Detailed study of laser diode array collimation based on a tolerancing

Unlike most laser diode collimation designs, the three vertically nano-stacked emitters of each laser diode are collimated with the

Study on the collimation of laser diode beams

Laser Diodes (LDs) are becoming increasingly attractive as small and reliable laser-beam sources, with applications

Stripe-array diode-laser in an off-axis external cavity: Theory and

Abstract: Stripe-array diode lasers naturally operate in an anti-phase supermode. This produces a sharp double lobe far field at

Fundamentals of Lasers

Fundamentals of Lasers How Do They Work? Lasers produce highly coherent, directional beams of

Laser Diode Basics | Springer Nature Link

However, laser diode beams have large divergences, elliptical shapes and astigmatisms, and therefore are difficult to

Far field output distribution features for spectral beam combining of

Although a beam quality exceeding that of a single emitter was realized, the efficiency of off-axis feedback is still lower

Laser Diode Beam Characterization | Springer Nature Link

These beam profilers are mainly used for characterizing laser diode beams since laser diode beams can have various

Laser Beam Shaping Overview

Some applications benefit from beam profiles different from that of the laser source, which is typically Gaussian. For example, flat top

Laser Diode Characteristics, Precautions for Use and Drive Circuit

Assessing the I-L characteristics of a laser diode allows the performance and operating conditions for the device to be

Laser Diode Beam Propagation Basics | Springer Nature Link

Laser diode beam propagation characteristics, the collimating and focusing behaviors and the M 2 factor are discussed

Off-axis collimation of diode laser beams by means of single element

Principles of single element holographic diffractive optics for collimation of diode laser beams with a large divergence, an elliptic

Design of a compact off-axis two-mirror freeform optical antenna for

Design of a compact off-axis two-mirror freeform optical antenna for shaping and transmitting an elliptical beam emitted by laser

Chapter 2 Laser Diode Beam Basics

diode beams difficult to handle. In this chapter we discuss in detail the basics of laser diode beams mainly using a simple paraxial

Broad Area Laser Diodes

Broad area (or broad stripe) laser diodes are high-power laser diodes with a strongly asymmetric shape of

Three-mirror system design for shaping the elliptical beam of a laser diode

Abstract The shape of the beam generated from a laser diode (LD) is elliptical, which is an obstacle for its extensive

Detailed study of laser diode array collimation based on a tolerancing

Based on these criteria, we establish an alignment concept for the first section of a LiDAR emitter. The performance criteria are

Off-axis ellipsoid focus method for a direct kilowatt-class laser diode

An off-axis ellipsoid focus system is designed to focus rectangular beams that are emitted by a direct high-power laser

Laser Diode Tutorial

The purpose of this laser diode tutorial is to provide the information necessary to create a long lifetime, stable laser diode system.

Off-axis collimation of diode laser beams by means of single-element

A single collimating transmission off-axis blazed surface-relief holographic diffractive element that corrects the ellipticity

Laser Diode Beam Manipulations | Springer Nature Link

Various techniques of manipulating laser diode beams are discussed. The emphases are on focusing, collimating,

High-brightness diode lasers obtained via off-axis spectral beam

Abstract: We proposed a modified off-axis spectral beam combining method based on the concept of selective feedback.

Collimation of laser diode beams for free space optical

Abstract Based on a far-field asymptotic expression of diode laser beams, the collimation characteristics of a diode

Shaping and transmitting elliptical beam from laser diode by off-axis

In this paper, an off-axis transmitting antenna with two parabolic cylindrical reflective mirrors is designed to