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Laser Direct Writing Metalens with Phase Change Material and Application.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Laser Direct Writing Metalens with Phase Change Material and Application./
Author:	Sun, Boshu.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2021,
Description:	75 p.
Notes:	Source: Masters Abstracts International, Volume: 82-10.
Contained By:	Masters Abstracts International82-10.
Subject:	Electrical engineering. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28315201
ISBN:	9798597087771

Laser Direct Writing Metalens with Phase Change Material and Application.
Sun, Boshu.

Laser Direct Writing Metalens with Phase Change Material and Application. - Ann Arbor : ProQuest Dissertations & Theses, 2021 - 75 p.

Source: Masters Abstracts International, Volume: 82-10.

Thesis (M.E.E.)--University of Delaware, 2021.

This item must not be sold to any third party vendors.

With the further study of phase change materials, more applications have been found to applied in many industries. The idea of photonic integrated circuit has come up as the mature electrical circuit is getting hard to meet demand of higher speed communication. Among various kinds of optical devices, phase change material (PCM) is ideal to be utilized to be tunable devices. The reversible change of phase states provides multiple possibilities for modifying optical signals. In term of imaging, the thickness and weight of conventional lens must be increased to meet the demands of numerical aperture and resolution, so the ideal of ‘flat’ diffraction lens came out.The light source of laser written diffraction lens is relative with the feature size of reaction between laser and PCM. To focus near-infrared light (wavelength ~= 1550 nm), the feature size of ablation must be limited. So, the dosage process of PCMs is included in this thesis.This thesis mainly illustrates the laser inscription applications on chalcogenide PCM. Diffraction lens are the dominant devices to be designed. The first two chapters are the background of diffraction lens fabrication designs, which is 1-D lens based on different PCM material. They include Ge2Sb2Te5 films, Al2Se3 and Tellurium flukes. The features of PCM and their reactions with laser will be illustrated in theses chapter. Before the fabrication of the lens, dosage and simulation will be clarified in chapter 3 and 4. In chapter 5, the experimental information of fabrication will be shown here like the setup and optical path of laser. After fabrication, the performance of the designed devices will be evaluated in chapter 6. The final chapter will conclude the devices and their future.

ISBN: 9798597087771Subjects--Topical Terms:

596380
Electrical engineering.
Subjects--Index Terms:

Photonic integrated circuit

Laser Direct Writing Metalens with Phase Change Material and Application.
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100 1 $a Sun, Boshu. $3 1372510
245 1 0 $a Laser Direct Writing Metalens with Phase Change Material and Application.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2021
300 $a 75 p.
500 $a Source: Masters Abstracts International, Volume: 82-10.
500 $a Includes supplementary digital materials.
500 $a Advisor: gu, Tingyi.
502 $a Thesis (M.E.E.)--University of Delaware, 2021.
506 $a This item must not be sold to any third party vendors.
520 $a With the further study of phase change materials, more applications have been found to applied in many industries. The idea of photonic integrated circuit has come up as the mature electrical circuit is getting hard to meet demand of higher speed communication. Among various kinds of optical devices, phase change material (PCM) is ideal to be utilized to be tunable devices. The reversible change of phase states provides multiple possibilities for modifying optical signals. In term of imaging, the thickness and weight of conventional lens must be increased to meet the demands of numerical aperture and resolution, so the ideal of ‘flat’ diffraction lens came out.The light source of laser written diffraction lens is relative with the feature size of reaction between laser and PCM. To focus near-infrared light (wavelength ~= 1550 nm), the feature size of ablation must be limited. So, the dosage process of PCMs is included in this thesis.This thesis mainly illustrates the laser inscription applications on chalcogenide PCM. Diffraction lens are the dominant devices to be designed. The first two chapters are the background of diffraction lens fabrication designs, which is 1-D lens based on different PCM material. They include Ge2Sb2Te5 films, Al2Se3 and Tellurium flukes. The features of PCM and their reactions with laser will be illustrated in theses chapter. Before the fabrication of the lens, dosage and simulation will be clarified in chapter 3 and 4. In chapter 5, the experimental information of fabrication will be shown here like the setup and optical path of laser. After fabrication, the performance of the designed devices will be evaluated in chapter 6. The final chapter will conclude the devices and their future.
590 $a School code: 0060.
650 4 $a Electrical engineering. $3 596380
653 $a Photonic integrated circuit
653 $a Phase change material
653 $a Optical signals
690 $a 0544
710 2 $a University of Delaware. $b Electrical and Computer Engineering. $3 1195516
773 0 $t Masters Abstracts International $g 82-10.
790 $a 0060
791 $a M.E.E.
792 $a 2021
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28315201