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Applied Sciences
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Recent Advances in Functional Optical Glasses for Lens and Fibers:...
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Recent Advances in Functional Optical Glasses for Lens and Fibers: Synthesis, Modification, and Applications

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

Deadline for manuscript submissions: closed (28 February 2022) | Viewed by 2285

Special Issue Editor

Dr. Ju Hyeon Choi

E-Mail Website
Guest Editor
Korea Photonics Technology Institute (KOPTI), Chumdanbencheo-ro 108 beon-gil 9, Buk-gu, Gwangju 61007, Korea
Interests: optical glass materials for aspherical lens; oxide glass materials for mid-infrared optics; chalcogenide glass materials for Far infrared optics; oxide single crystal materials for optoelectronic devices; High R.E. doped glass materials for special fiber laser; fluoride single crystal for UV application; sintered crystalline materials for military applications; laser sealing glass for packing applications; Semiconductor thin film by Atomic Layer Deposition; multiferroic materials; plasmonic materials for bio-sensing applications; nanoparticles with core-shell nanostructure for imaging, and detection

Special Issue Information

Dear Colleagues,

This Special Issue will be devoted to recent advances in glass- and crystalline-based materials and innovative and cost-effective solutions for optics manufacturing. Original research articles and comprehensive reviews on the following and related topics are particularly welcome:

  1. Innovative optical materials based on oxide glass and non-oxide glass for optical lenses
  2. Crystalline materials for optical lenses, windows, domes, etc.
  3. Fabrication, characterization, modelling, and applications of advanced glass optical fibers and lenses
  4. Fibers for applications in sensing, optics, energy systems, healthcare, robotics, and the environment
  5. Novel functional fibers, such as polymer fibers, nanofibers, multimaterial fibers, and 2D materials-based fibers
  6. Specialty glass fibers incorporating rare earth ions and transition metal ions for photonic device applications
  7. High-power fiber lasers for industrial and medical applications
  8. Fibers doped with semiconductor-based materials and quantum dots for biophotonics applications
  9. Nonlinear optical glass fibers for all-optical switches, OPA, wavelength converters, etc.

Dr. Ju Hyeon Choi
Guest Editor

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

  • Optical glass materials for visible optics
  • Glass materials for fiber applications
  • Infrared glass materials for lens applications
  • Functional glass materials for laser applications
  • Optical materials for novel functional fibers

Published Papers (1 paper)

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Research

13 pages, 1519 KiB  
Article
Strengthening Thermal Stability in V2O5-ZnO-BaO-B2O3-M(PO3)n Glass System (M = Al, Mg) for Laser Sealing Applications
by Soyoung Kim, Karam Han, Seonhoon Kim, Linganna Kadathala, Jinhyeok Kim and Juhyeon Choi
Appl. Sci. 2021, 11(10), 4603; https://0-doi-org.brum.beds.ac.uk/10.3390/app11104603 - 18 May 2021
Cited by 8 | Viewed by 1756
Abstract
Today, the most common way of laser sealing is using a glass frit paste and screen printer. Laser sealing using glass frit paste has some problems, such as pores, nonuniform height, imperfect hermetic sealing, etc. In order to overcome these problems, sealing using [...] Read more.
Today, the most common way of laser sealing is using a glass frit paste and screen printer. Laser sealing using glass frit paste has some problems, such as pores, nonuniform height, imperfect hermetic sealing, etc. In order to overcome these problems, sealing using fiber types of sealant is attractive for packaging devices. In this work, (70-x)V2O5-5ZnO-22BaO-3B2O3-xM(PO3)n glasses (mol%) incorporated with xM(PO3)n concentration (where M = Mg, Al, n = 2, 3, respectively) were fabricated and their thermal, thermomechanical, and structural properties were investigated. Most importantly, for this type of sealing, the glass should have a thermal stability (ΔT) of ≥80 °C and the coefficient of thermal expansion (CTE) between the glass and panel should be 1.0 ppm/°C. The highest thermal stability ΔT of the order of 93.2 °C and 112.9 °C was obtained for the 15 mol% of Mg(PO3)2 and Al(PO3)3 doped glasses, respectively. This reveals that the bond strength and connectivity is more strongly improved by trivalent Al(PO3)3. The CTE of a (70-x)V2O5-5ZnO-22BaO-3B2O3-xAl(PO3)3 glass system (mol%) (where x = 5–15, mol%) is in the range of 9.5–15.5 (×10−6/K), which is comparable with the CTE (9–10 (×10−6/K)) of commercial DSSC glass panels. Based on the results, the studied glass systems are considered to be suitable for laser sealing using fiber types of sealant. Full article
(This article belongs to the Special Issue Recent Advances in Functional Optical Glasses for Lens and Fibers: Synthesis, Modification, and Applications)
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