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Multiple-mode VCSELs (Siren) | TRUMPF
Single & multiple mode VCSEL

Multi-Mode VCSEL

940 nm multiple mode VCSEL

Single & multiple mode VCSEL

Multi-Mode VCSEL

Small 940 nm VCSEL arrays with Gaussian shaped beam profile

Single & multiple mode VCSEL

Multi-Mode VCSEL

VCSEL arrays with random dot pattern at 940 nm

Multi-Mode VCSEL

Multiple mode VCSELs are infrared light sources for mobile consumer applications. The compact dimensions allow use of the laser diodes in highly integrated sensors. These laser diodes are ideally suited for time-of-flight distance sensors due to their power class and radiation characteristics.

Light emission from one or more mesas

Mesas in parallel operation result in redundancy and increase operational safety.

940-nm laser emission

Light at 940 nm cannot be perceived by the human eye.

Short rise/fall time

Benefit from a very fast pulsing mode due to short rise/fall times.

Exceptional reliability

More than 1.5 billion VCSELs used without any failures.

Distance sensor system

The compact 940-nm laser diode is perfectly suitable for ranging applications, such as proximity or laser focusing in smartphones.


VCSEL arrays are excellent for LiDAR applications. Very low rise and fall times of the optical pulses make ultrashort pulses with high peak power possible. The addressability of the different segments on the VCSEL arrays can significantly improve the system performance.

Structured light

Structured light applications can be addressed very well with VCSEL arrays as the light source. Processing at wafer level with the latest semiconductor processing systems enables the smallest spacing and individual arrangements of emitters.


Multiple mode VCSEL arrays are perfect light sources for IR lighting. The low spectral range and outstanding power across a temperature interval enable very good system performances.

940 nm multiple mode VCSEL

Mini multiple mode VCSEL array with four emitters for time-of-flight applications

Small 940 nm VCSEL array with Gaussian shaped beam profile

12 emitters mini single-mode VCSEL array for highly precise time-of-flight sensors. VCSEL arrays with Gaussian shaped beam profile and low rise and fall times.

VCSEL array with random dot pattern at 940 nm

VCSEL array for structured light systems. Emitter design with random scattering for progressive applications with structured light.

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