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Photonics Spectra Preview - December 2021

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Here is your first look at the editorial content for the upcoming December issue of Photonics Spectra.

UV Lasers

The UV laser market is growing at an 8.31% CAGR, according to analysts like Absolute Reports. Applications for these lasers encompass material processing and measurement, which are roughly split by the 300 nm line. Lasers emitting below that point output lower power and focus on measurement. Above that point, higher-output UV lasers are used in marking, drilling, cutting, and other micromachining applications. This article surveys the field to report on current and future advances.

Key Technologies: metal-vapor laser, diode pump lasers, Nd:YAG and Yb:YAG lasers

OLED Manufacturing

The display industry is trending toward ever-smaller OLED and µ-LED packages to offer improved resolution, brightness, refresh rates and luminous efficiency. While the benefits are clear for consumers, the trend toward mini-LEDs is increasing challenges around manufacturing throughput. LIFT processes based on laser beam shaping combined with high-speed scanning strategies have shown promise as a solution and attracted the attention of global display manufacturers such as Samsung Electronics and Sony.

Key Technologies: ultrafast lasers, UV lasers, beam shaping, scanner technology

Photonic Integrated Circuits

The rapidly growing market for photonic integrated circuits is prompting dozens of companies to position themselves for a share of the market. But technological hurdles aside, these competitors all face another challenge: Finding qualified technicians to fabricate PIC components and assemblies. Jake Saltzman will report on a 2021 survey and report from MIT that aimed to characterize the demand, hiring challenges, and training gaps in this sector, and provide a roadmap for the skills these competitors will need to develop or attract if they hope to compete. This article will also survey key industry players for their reaction to the report and plans for filling this skills gap.

Key Technologies: PICs, fiber-coupling, optical fabrication

Hyperspectral Imaging

Hyperspectral cameras can distinguish inauthentic works of art by revealing subtle color differences.

Key Technologies: hyperspectral cameras


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