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Semiconductor Laser

Nuvoton

Semiconductor Laser

The World’s Leading Laser Diode Partner

Semiconductor laser package

News

NEW PRODUCT Violet 4.5 W| KLC434FL01WW
High-Power Violet Laser: 402 nm · 4.5 W

402 nm · 4.5 W

High-Power Violet Laser

KLC434FL01WW

High output power for maskless lithography

NEW PRODUCT UV 1.0 W| KLC330FL01WW
High-Power UV Laser: 379 nm · 1.0 W

379 nm · 1.0 W

High-Power UV Laser

KLC330FL01WW

Short wavelength, high output power, and long lifetime

NEW PRODUCT Violet 1.7 W| KLC435FS01WW
Compact High-Power Violet Laser: 402 nm · 1.7 W

402 nm · 1.7 W

Compact High-Power Violet Laser

KLC435FS01WW

Compact TO-56 package with a long operating lifetime

About Us Over 40 years of laser diode expertise

Nuvoton has accumulated more than 40 years of expertise in laser diode technology. Building on our established track record as a leading supplier of laser diodes for optical disc applications, we have expanded our laser diode business from consumer applications into industrial applications. We are committed to continuous innovation and business expansion to meet the diverse needs of our customers.

Our Strengths GaN and GaAs expertise · UV to IR

Drawing on our extensive expertise in GaN (gallium nitride) and GaAs (gallium arsenide) materials, we have developed high-performance lasers covering a wide range of wavelengths, from ultraviolet to infrared. We are committed to continuously providing innovative products to meet the diverse needs of our customers.

Chart: Wavelength coverage of GaN and GaAs materials

Emission wavelength ranges for GaN- and GaAs-based laser diodes

Product Lineup

Explore products by wavelength range. Each page opens in a new tab.

Color Part No Wavelength [nm] Output Power
[W]		 Package Status One-Page
Spec
Min. Typ. Max.
Ultraviolet 375 379 380 1.0 Ø9.0 mm TO-CAN MP PDF
KLC310FL01WW ↗ - 378 380 0.5 Ø9.0 mm TO-CAN MP PDF
Violet 395 402 405 4.5 Ø9.0 mm TO-CAN MP PDF
KLC432FL01WW ↗ 395 402 405 3.0 Ø9.0 mm TO-CAN MP PDF
395 402 405 1.7 Ø5.6 mm TO-CAN MP PDF
395 402 405 1.2 Ø5.6 mm TO-CAN MP PDF
Indigo KLC420FS01WW ↗ 420 425 430 1.7 Ø5.6 mm TO-CAN MP PDF
Blue KLCB0300Y2WW 433 438 443 >7.0 CoS UD PDF
KLCB03FL01WW 431 436 441 >5.5 Ø9.0 mm TO-CAN UD PDF
KLCB03FL11WW 439 444 449 >5.5 Ø9.0 mm TO-CAN UD PDF
KLCB03FL12WW 443 444 445 >5.5 Ø9.0 mm TO-CAN UD PDF
Red KLCP01FL01WW TBD 638 TBD >2.4 Ø9.0 mm TO-CAN PLN -
Infrared KLC840FS01WW 821 830 839 >0.05 Ø5.6 mm TO-CAN PLN -

MP: Mass Production, UD: Under Development, PLN: Planning

Applications

Conceptual illustration of application: Direct Imaging for PCB manufacturing

Conceptual illustration generated with AI

Maskless Lithography

UV / Violet / Indigo

Short-wavelength, high-power lasers enable finer patterning in maskless lithography processes for PCBs and advanced semiconductor packages while improving production throughput.

Conceptual illustration of application: Laser Welding and Marking

Conceptual illustration generated with AI

Welding & Marking

Blue / Indigo / Violet / UV

High-power blue lasers are well suited for welding, engraving, and marking, helping to optimize manufacturing processes and improve quality.

Conceptual illustration of application: 3D Printing (Additive Manufacturing)

Conceptual illustration generated with AI

3D Printing

UV / Violet / Blue / Indigo

These lasers are well suited for additive manufacturing of resins and metals, including copper and aluminum. Stable, high-power output enables precise, high-quality fabrication.

Other Applications: Lighting, Biomedical, Sensing, Microscopy, Annealing, Agriculture

For inquiries about product specifications, evaluation samples, or quotations,
please use the contact form below.

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