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Diode Lasers: Materials, Devices and Application

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Optics and Lasers".

Deadline for manuscript submissions: 30 June 2025 | Viewed by 1376

Special Issue Editors


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Guest Editor
Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
Interests: diode pumped solid-state laser; nanosecond laser; laser detection and imaging; diode laser

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Guest Editor
Xi'an Institute of Optics and Precision Mechanics, the Chinese Academy of Sciences, Xi’an 710119, China
Interests: high-power; high-efficiency semiconductor laser chips; innovative simulation design of semiconductor laser chips; advanced optoelectronic devices

Special Issue Information

Dear Colleagues,

We are excited to announce an upcoming Special Issue on Diode Lasers: Materials, Devices, and Applications. This Special Issue aims to highlight the transformative role of diode lasers across various domains, including industrial processing, illumination, LiDAR, and medical therapies.

We are seeking contributions that explore innovative materials, devices, and applications of diode lasers. Submissions that push the boundaries of current technology, offering new perspectives and solutions, are encouraged. Priority will be given to works that demonstrate the practical applications of diode lasers, particularly those that validate theoretical models through experimental data.

We welcome manuscripts that reflect the dynamic nature of diode lasers, presenting rigorous research and case studies that showcase their potential. This Special Issue will serve as a convergence point for experts, guiding future explorations and applications of diode lasers in various fields.

We look forward to receiving your contributions.

Dr. Jing Yang
Dr. Zhenfu Wang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • diode
  • lasers
  • LiDAR
  • illumination
  • optoelectronic

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Published Papers (1 paper)

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Research

18 pages, 138350 KiB  
Article
Technical Characterization of a High-Power Diode Laser at 445 nm for Medical Applications: From Continuous Wave Down to Pulse Durations in the µs-Range
by Zhaoqun Liu, Yunfan Lu, Birgit Lange and Jörg Meister
Appl. Sci. 2025, 15(3), 1041; https://doi.org/10.3390/app15031041 - 21 Jan 2025
Viewed by 783
Abstract
The technical development of diode lasers with regard to wavelengths, output powers and pulse durations in the order of microseconds is expanding the range of medical applications. The 445 nm wavelength, in particular, offers a promising approach. Such a laser system is now [...] Read more.
The technical development of diode lasers with regard to wavelengths, output powers and pulse durations in the order of microseconds is expanding the range of medical applications. The 445 nm wavelength, in particular, offers a promising approach. Such a laser system is now available, and its technical and optical properties are introduced here. To characterize the diode laser with a wavelength of 445 nm, laser settings were recorded in both CW and pulse modes in the range µs to ms, with duty-cycles of 1% up to 40% (partially also up to 90%). At the same time, the temporal behaviour of the laser pulses was documented. In addition, the influence of different irradiation parameters for pulse durations of 10 µs, 100 µs and 1 ms at duty-cycles of 50%, 25% and 15% on porcine tissue was investigated. With regard to the cutting depth and thermal damage zones, cuts were carried out in the contact mode using an optical fiber with a core diameter of 375 µm and a cut speed of 3 mm/s. The average power was set between 2 W and 8 W. Output powers of up to 12.7 W in CW mode and peak powers > 30 W, with pulse durations of 5 and 10 µs, were achieved. Cuts with a depth of up to 1 mm could be created using 100 µs pulses with different duty-cycles and also in CW mode. The width of the thermal damage zone was between 200 and 350 µm for all settings. The 445 nm wavelength is characterized by a large number of possible advantages in surgical applications. Pulse durations down to the µs-range with peak power approximately three times higher than average power could open up new applications. Full article
(This article belongs to the Special Issue Diode Lasers: Materials, Devices and Application)
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