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TRUMPF Expands its Portfolio of Polarization Stable VCSELs for Optimal Illumination Performance - TRUMPF Photonic Components, a global leader in VCSEL and photodiode solutions, releases a new multimode VCSEL with stable polarization to support the increasing demand for advanced VCSEL sources - TRUMPF.com
TRUMPF Expands its Portfolio of Polarization Stable VCSELs for Optimal Illumination Performance

 

PRZOOM - /newswire/ - Ulm, Baden-Württemberg, Germany, 2023/01/17 - TRUMPF Photonic Components, a global leader in VCSEL and photodiode solutions, releases a new multimode VCSEL with stable polarization to support the increasing demand for advanced VCSEL sources - TRUMPF.com.

   
 
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• Release new multimode VCSEL with polarization stable light for higher performance;
• Dual polarization, high-power multimode VCSEL and high-power single-mode polarization-controlled VCSEL planned for 2023;
• Surface gratings enable stable polarization for better illumination quality.

By integrating additional functionalities such as linear polarization, the VCSEL technology is becoming smarter and the illumination quality is increasing. “It’s great to see the VCSEL technology evolving and to tap into new application fields for VCSELs by integrating additional features. With the market release of our new multimode VCSEL with stable polarization, we serve application demands with optimal illumination quality, like in smartphones”, says Ralph Gudde, Vice President Marketing and Sales at TRUMPF Photonic Components. The new 940nm multimode VCSEL with controllable polarization is entering mass production and comes with high yield. The proprietary surface grating is directly etched into the GaAs. With the two emission zones, the new VCSEL generates an optical power of 8 mW. Applications in consumer electronic devices and smartphones benefit from this optimum efficiency in optical power, as the VCSEL technology combines high laser efficiency and slope efficiency of 1 W/A with full polarization control. Measurements confirm that the electro-optical properties of VCSELs with integrated grating and stabilizing linear polarization are the same as VCSELs without grating. “Thanks to the polarization feature, controlled laser light improves the quality of the overall sensing system, enabling a positive user experience and power savings”, says Gudde.

Better illumination quality for smartphones, AR and VR applications

The smartphone and consumer electronics industries are constantly looking for smarter components for their devices, all the while increasing illumination quality. VCSELs with polarization-controlled light address these demanding 3D illumination applications not only in smartphones, but also in OLED screens or in virtual and augmented reality applications. The illumination quality is severely increased, as polarized light helps to eliminate optical losses. VCSELs with stable polarization also avoid disturbing reflections and enable innovative optical concepts like a collinear arrangement of transceiver and receiver optics. This is supported by TRUMPF’s own designs and processes, which enable high quality and perform without any losses.

Two in one: switchable polarization on its way

TRUMPF also announces its next products with polarization features, that will be released later in 2023. One is a multimode VCSEL with dual polarization that is now ready for customer sampling. Here, one single VCSEL chip can individually address two polarization directions, which significantly reduces the form factor and the optical system complexity. This supports further miniaturization demands in smartphone applications and consumer electronics. In the actual concept, two VCSEL arrays at 0° and 90° linear polarization, are combined and interlaced on one VCSEL chip, using orthogonal surface gratings. The two polarization directions are individually addressable, each yielding about 1.35 W of output power. Combined with polarization-selective optics this results in a reduction of components, as only one VCSEL chip is needed to create both flood illumination and dot patterns. “Dual polarization VCSELs will revolutionize the consumer electronics business”, says Gudde. “Device manufacturers will get one component that functions as a dual-pattern projector”, Gudde adds. The second release will be a large polarization controlled single emitter, single-mode VCSEL component with 2 mW output power. This serves industrial sensing applications like industrial optical encoders and spectroscopy. Evaluation samples will be available from June onwards and mass production is scheduled for the end of 2023.

Visit TRUMPF Photonic Components at Photonics West 2023 at Booth 539

Digital photographs in print-ready resolution are available to illustrate this press release. They may only be used for editorial purposes. Use is free of charge when credit is given as “Photo: TRUMPF”. Graphic editing except for cropping the main subject is prohibited. Additional photos can be accessed at the TRUMPF Media Pool.

About TRUMPF Photonic Components

TRUMPF Photonic Components (trumpf.com) is a global technology leader, supplying VCSEL and photodiode solutions for the consumer electronics, datacom, automotive, industrial sensing and heating markets. So far, more than two billion VCSEL chips and photodiodes have been shipped worldwide. With over twenty years of experience, the company maintains its leadership position by continuing to drive its technological know. This long-established technology was acquired by TRUMPF in 2019. The company has its headquarters in Ulm, Germany, with further sales locations in the Netherlands, China, Korea and the US.

TRUMPF Photonic Components belongs to the TRUMPF Group, a high-technology company that offers production solutions in the machine tool and laser sectors. TRUMPF is the world technological and market leader for machine tools used in flexible sheet metal processing, and also for industrial lasers and metal 3D printing. In the 2021/22 fiscal year, the company employed some 16,500 people and generated sales of about 4.2 billion euros (preliminary figures). With over 80 subsidiaries, the TRUMPF Group is represented in nearly every European country, in North America, South America and Asia. The company has production facilities in Germany, France, the United Kingdom, Italy, Austria, Switzerland, Poland, the Czech Republic, the United States, Mexico and China.

 
 
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TRUMPF Expands its Portfolio of Polarization Stable VCSELs for Optimal Illumination Performance

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Polarization Stable VCSEL |
Contact: Anne-Kathrin Hotz - TRUMPF.com 
+49-731-5501940 anne-kathrin.hotz1[.]trumpf.com
 
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