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High Energy Laser and The Problems of Applied Optics

Du Xiangwan

Strategic Study of CAE 2001, Volume 3, Issue 2, Pages 21-24

Abstract:

Making and propagation and application of high energy laser is an important direction of modern laserThe paper discusses eight topics of applied optics related with high energy laser, such as high energylaser devices, high quality optical elements, advanced adaptive optics, nonlinear optical phase conjugation, frequency tuning, coherent combination of laser beams, etc.

Keywords： high energy laser distance propagation applied optics

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Energy field-assisted high-speed dry milling green machining technology for difficult-to-machine metal

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-022-0744-9

Abstract: difficult-to-machine metal materials, such as poor machinability, low cutting efficiency, and high energyHigh-speed dry milling has emerged as a typical green processing technology due to its high processingHowever, the lack of necessary cooling and lubrication in high-speed dry milling makes it difficult toIn this review, the characteristics and limitations of high-speed dry milling of difficult-to-machineThe laser energy field, ultrasonic energy field, and cryogenic minimum quantity lubrication energy fields

Keywords： difficult-to-machine metal material green machining high-speed dry milling laser energy field-assistedmilling ultrasonic energy field-assisted milling cryogenic minimum quantity lubrication energy field-assisted

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Rapid alloying of CoCrFeMnNi high-entropy alloy from elemental feedstock toward high-throughput synthesisvia laser powder bed fusion

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0727-x

Abstract: High-entropy alloys (HEAs) are considered alternatives to traditional structural materials because ofIn this work, laser powder bed fusion (L-PBF) is adopted for the in situ synthesis of equiatomicHigh composition accuracy is achieved in parallel with ensuring internal density.can be observed through electron backscatter diffraction, with a maximum polar density of 9.92 and a highmethods presented in this study are expected to have considerable potential for developing HEAs with high

Keywords： laser powder bed fusion (L-PBF) in situ alloying high-entropy alloys heat treatment rapid

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High-Throughput Multi-Plume Pulsed-Laser Deposition for Materials Exploration and Optimization Article

Samuel S. Mao,Xiaojun Zhang

Engineering 2015, Volume 1, Issue 3, Pages 367-371 doi: 10.15302/J-ENG-2015065

Abstract:

A high-throughput multi-plume pulsed-laser deposition (MPPLD) system has been demonstrated and comparedWhereas most combinatorial pulsed-laser deposition (PLD) systems have focused on achieving thicknessThis system is more suitable for high-throughput compound thin-film fabrication.

Keywords： pulsed-laser deposition high-throughput

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Solid-state-reaction fabrication and properties of a high-doping Nd:YAG transparent laser ceramic

WU Yusong, LI Jiang, PAN Yubai, LIU Wenbin, AN Liqiong, WANG Shiwei, GUO Jingkun

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 3, Pages 248-252 doi: 10.1007/s11705-008-0048-6

Abstract: High-quality neodymium-doped yttrium aluminum garnet (Nd:YAG) transparent ceramic (4.0 mole percent)The transmittance of a 2.8-mm thick sample reaches 79.5% at the laser wavelength of 1064 nm.The absorption coefficient at the laser wavelength is 0.2 cm.laser experiment was performed.The 1064 nm-CW-laser output was obtained and the threshold is 733 mW.

Keywords： neodymium-doped yttrium maximum absorbed microstructure fluorescence lifetime threshold

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Microwave-induced high-energy sites and targeted energy transition promising for efficient energy deployment

Frontiers in Energy 2022, Volume 16, Issue 6, Pages 931-942 doi: 10.1007/s11708-021-0771-y

Abstract: In this study, a high-energy-site phenomenon and targeted-energy transition mechanism were identifiedThis can be called a high-energy site phenomenon which could induce further processes or reactions enhancementIn particular, the discharge intensity, frequency, and high-energy sites were strengthened through theThe microwave-induced high-energy sites and targeted energy transition provide an important pathway forhigh-efficiency energy deployment and may lead to promising applications.

Keywords： microwave discharge high-energy sites targeted-energy transition morphology design energy efficiency

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Development of High Brightness Solid-State Laser Technology

Tang Xiaojun, Wang Gang, Liu Jiao, Geng Lin, Jiang Dongsheng

Strategic Study of CAE 2020, Volume 22, Issue 3, Pages 49-55 doi: 10.15302/J-SSCAE-2020.03.008

Abstract:

Laser propulsion, laser energy transfer, and other major research directionshave proposed a major demand for high brightness solid-state laser technology, making relevant researchThis paper presents the macro demand for high brightness solid-state laser technology and summarizesWhile the output power of a single laser is constantly improving, the laser output with high brightnessmaterials, high-ranking semiconductor laser pump source, high precision packaging process, adaptive

Keywords： solid-state laser high brightness technical route key technology

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Status of High-power Solid-state Lasers and Engineering Science

Peng Hansheng,Zhang Xiaomin,Fan Dianyuan,Zhu Jianqiang

Strategic Study of CAE 2001, Volume 3, Issue 3, Pages 1-8

Abstract:

High-power solid-state laser technology development has been conducted so far for more than thirtyOver twenty laser facilities have been built with the output energy of about a hundred Joules at thestudy, from the point of view of engineering science, how to build such huge facilities featured with highcost, high technical risk, and a long time period, in a cost-effective manner.

Keywords： laser fusion high-power solid-state laser status engineering science innovation

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Study on Diode-pumped Solid-state Laser with High Pulsed Repetition Rate

Zhou Shouhuan,Jiang Dongsheng

Strategic Study of CAE 2000, Volume 2, Issue 1, Pages 53-56

Abstract:

The experimental results were reported on diode-pumped solid state laser with 1 kHz high pulsed repetitionrate: 43 mj of single output pulse energy, lower order mode, 43% of light-light conversion efficiencyFor diode end pumping, it is quite easy to obtain high efficiency and high output beam quality, the coolingconfiguration of laser media is simple, too.But the output laser power was not maximum.

Keywords： pulsed solid-state laser end-pumping high repetition rate

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Review on cellulose paper-based electrodes for sustainable batteries with high energy densities

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 8, Pages 1010-1027 doi: 10.1007/s11705-023-2307-y

Abstract: Thus, there is a transition from the use of fossil fuels to renewable energy sources.mechanical flexibility, and renewability, which make it perfect for use in paper-based sustainable energyRecent advances and approaches to construct high mass loading paper electrodes toward high energy densityThis will stimulate the use of natural resources and thereby the development of renewable electric energy

Keywords： cellulose paper electrodes Li-ion batteries high energy density

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Development of Laser Remanufacturing Technology and Application

Yao Zhehe, Yao Jianhua, Xiang Qiao

Strategic Study of CAE 2020, Volume 22, Issue 3, Pages 63-70 doi: 10.15302/J-SSCAE-2020.03.011

Abstract:

Laser remanufacturing technology, as the frontier of manufacturing technologyinnovation, has profoundly changed the design and operation of high-end equipment.In this study, the macro-demands of laser remanufacturing technology were analyzed.The challenges in development of laser remanufacturing technology and industry were summarized.additive remanufacturing materials; improving the standardization system and the high-level applied

Keywords： laser remanufacturing multi-energy field on-site remanufacturing life cycle

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Progress and Prospect of Space Laser Communication Technology

Wang Tianshu, Lin Peng, Dong Fang, Liu Xianzhu, Ma Wanzhuo, Fu Qiang

Strategic Study of CAE 2020, Volume 22, Issue 3, Pages 92-99 doi: 10.15302/J-SSCAE-2020.03.014

Abstract:

Space laser communication technology is a major communication technologyfor space broadband information transmission in the future and has the advantages of high bandwidth,This study aims to systematically understand the development process of the space laser communicationBased on this, five future development trends of space laser communication are summarized emphatically, that is, high speed, networking, multi-purpose, integration, and multi-band.

Keywords： space laser communication space-earth integration network high speed rate laser networking one-to-multiplelaser communication

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Present Development and Tendency of Laser Display Technology

Gao Weinan, Xu Zuyan, Bi Yong, Yuan Yuan

Strategic Study of CAE 2020, Volume 22, Issue 3, Pages 85-91 doi: 10.15302/J-SSCAE-2020.03.013

Abstract: Nowadays, all display technologies are developing toward high-fidelity images with ultra-high resolutionLaser display technology uses tricolor laser as the display light source and can realize the reproductionof high-fidelity images with dual high definition (geometry/color), large color gamut, and high viewingIt also should support the high-end market of the next-generation display industry and build industrialclusters for laser display.

Keywords： laser display，dual high definition，large color gamut，good visual comfort

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Understanding high-emitting households in the UK through a cluster analysis

Xinfang WANG, Ming MENG

Frontiers in Energy 2019, Volume 13, Issue 4, Pages 612-625 doi: 10.1007/s11708-019-0647-6

Abstract: This paper focuses on high emitters and their CO emissions from energy use in UK homes.It applies a cluster approach, aiming to identify whether the high emitters comprise clusters where householdsThe results show that after equivalising both household emissions and income, the high emitters can beretired couple owning a large detached house, could all lead to high CO emissions from energy use atPolicymakers should target each high-emitter cluster differently to reduce CO emissions from energy

Keywords： cluster analysis emissions reduction energy use high emitters household energy consumption socioeconomic

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Development of Laser Cutting and Joining Processing

Chen Li, Gong Shuili, He Enguang

Strategic Study of CAE 2020, Volume 22, Issue 3, Pages 78-84 doi: 10.15302/J-SSCAE-2020.03.012

Abstract:

Laser cutting and joining technology is indispensable as an advancedmanufacturing technology owing to its comprehensive advantages of flexibility, high efficiency, and highbe surely promoted by the integration of laser technology and digital manufacturing technology.joining and cutting technology, namely, laser welding, laser cutting, laser drilling, and laser markingunit, laser materials processing, and intelligent integration.

Keywords： laser material processing laser welding laser cutting laser drilling laser marking