November 20, 2024

A sneak peek into ElFys Black Silicon 4-Quadrant Detector

ElFys is set to revolutionize the field of near-infrared (NIR) detection with the upcoming launch of its innovative 4-quadrant detector in January 2025. This groundbreaking technology promises to overcome traditional limitations in NIR detection, offering unprecedented performance and versatility across a wide range of applications. The 4-quadrant detector from ElFys leverages the company's proprietary Black Silicon technology, which has already garnered acclaim for its exceptional photosensitivity and quantum efficiency.

By applying the cutting-edge approach to a quadrant detector design, ElFys has created a detector that combines high responsivity, low dark current, and fast response times with precise positional information.

Potential applications of 4-Quadrant Detector

One of the most exciting aspects of ElFys' 4-quadrant detector is its potential to enhance the performance of YAG laser (1064 nm) based systems. The detector's high sensitivity in the NIR range makes it ideal for accurately tracking and aligning YAG laser beams, which are widely used in industrial and scientific applications. Its ability to provide accurate positional data on incident light makes it an ideal choice for applications requiring fine adjustments and real-time feedback.

The ElFys 4-Quadrant detector's exceptional sensitivity and precision in the NIR range make it a potential game-changer for defense systems. For laser-guided munition, the enhanced detector performance offers the capability to lock on to the target at longer distances. Furthermore, it also makes the system more robust against any disturbances in the air that weaken the signal, such as smoke or dust.

As the demand for high-bandwidth, secure communication channels continue to grow, free-space optical links using lasers are becoming increasingly attractive. ElFys' 4-quadrant detector can play a crucial role in these systems, enabling accurate beam pointing and tracking over long distances, even in challenging atmospheric conditions.

For applications in autocollimation, where precise angular measurements are required, the ElFys 4-quadrant detector offers a compelling solution. Its high sensitivity and positional accuracy make it well-suited for use in autocollimators, which are essential tools in fields such as optics, metrology, and mechanical engineering.

Redefine the boundaries of NIR detection

The ElFys 4-quadrant detector's high performance is established by the company's expertise in black silicon technology. This innovative approach allows for near-ideal external quantum efficiency across the UV-VIS-NIR spectrum, ensuring that virtually every incident photon is captured and converted into a measurable signal.

The high quantum efficiency, combined with the detector's low noise characteristics, enables superior performance when detecting faint signals. As ElFys prepares to deliver the first samples of its 4-quadrant detector in January 2025, the anticipation within the optoelectronics community is palpable. The technology's potential to enhance existing applications and enable new possibilities in NIR detection is generating significant interest across multiple industries.

"At ElFys, we're not just pushing the boundaries of NIR detection, we're redefining them. Our 4-quadrant detector represents the culmination of years of research and development in black silicon technology. We're excited to see how this innovation will empower scientists, engineers, and industries to achieve new levels of precision and efficiency in their work. The applications we've identified are just the beginning – we believe this technology will open doors to possibilities we haven't even imagined yet. As we approach the launch in January 2025, we're not just introducing a new product; we're ushering in a new era of optical sensing capabilities."  Dr. Mikko Juntunen, CEO of ElFys.

The launch of ElFys' 4-quadrant detector represents a significant leap forward in NIR detection technology. By combining high sensitivity, precise positional information, and the benefits of black silicon technology, ElFys aims to address longstanding challenges in fields ranging from laser guidance to optical communication. As researchers and engineers eagerly await the opportunity to integrate this innovative detector into their systems, the future of NIR detection looks brighter than ever.

About ElFys, Inc.

ElFys, Inc. was founded in 2017 and is located in Espoo, Finland. The company is based on long-term research work on photodetector technologies at Aalto University. Our core team consists of former senior researchers, engineering leaders and business professionals. The company utilizes the state-of-the-art processing facilities at Micronova Nanofabrication Center in Espoo, Finland: 2600 square meters of CMOS compatible facilities suitable for both R&D and semi-mass production. For high-volume mass production, ElFys has partnered with an external, European foundry.

ElFys provides light sensors with sensitivity better than anything seen before, literally catching every ray of light. The technology greatly improves any light sensing application ranging from health monitoring to analytical instrumentation and security X-ray imaging. The superior performance of ElFys photodetectors is based on an inventive combination of modern MEMS nanotechnology and atomic layer deposition. The core technologies are patented and in the possession of the company. www.elfys.fi

About ElFys's patented technology

Most light sensing technologies capture about two thirds of light rays, whereas ElFys’ technology can capture all of them. The Black Silicon Photodiode provides superior sensitivity over a wide spectral range, especially in the ultraviolet, as well as an ultra-wide viewing angle. The increased sensitivity provides improvement potential to any applications where light needs to be measured.

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Email: media@elfys.fi

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