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Sensor

In today’s society where everything is smart, sensors are playing an increasingly important role in our daily lives and in the Internet of Things. Sensors monitor our health (e.g. heartbeat), air quality, home security, and are widely used in the Industrial Internet of Things (IIoT) to monitor production processes. Our lives are surrounded by smartphones, wearables, and other smart devices, all of which are inseparable from sensors.

Widely used sensors in daily life include thermometers, pressure sensors, light sensors, accelerometers, gyroscopes, motion sensors, gas sensors and so on. Their design and manufacturing often rely on traditional electromechanical processing, which has a single function, large size and high energy consumption, and is not suitable for the new sensor miniaturization, integration, integration, high precision and low energy requirements. Therefore, how to innovate fabrication methods and improve the fabrication process has become a difficult problem in the field of sensing.

The NanoPrint 3D Intelligent Laser Nano-fabrication System can write flexible design and versatile 3D micro-nano structures in a variety of materials including polymers, 2D materials, metals, semiconductors, crystals, optical fibers, and other materials to form sensing mechanisms. Its writing method is flexible and simple to fabricate, and no vacuum or mask is required. More importantly, the written structure is small and highly integrated, and can form an immersion sensing with the substrate or environment. It is also possible to introduce in-situ high-precision sensors directly at the sites that need to be measured in sensing, without damaging the original environment and overall appearance.

In particular, graphene micro and nano sensors realized with NanoPrint system have been playing an important role in artificial skin, intelligent robots, health care, early diagnosis of diseases, wearable devices, etc. in recent years. In addition, FBG fabricated by the unique patented technology with NanoPrint system has the characteristics of easy operation, fast writing speed, stable process, flexible formation of a variety of special grating, and high raster rate. It solves the problems of expensiveness, complex process and single grating structure with the traditional fiber grating fabrication equipment. The formed FBG has large change in refractive index, high temperature resistance, high performance index and good stability, has replaced the traditional fiber grating and plays an irreplaceable role in the high temperature and high pressure environment.

Optical imaging and display

Micro-optical components are key components in the manufacture of small optoelectronic systems, which have the advantages of small size, light weight, low cost, and can achieve novel functions such as tiny, array, integration, imaging and wavefront conversion that are difficult to achieve with ordinary optical components. At present, miniaturization and integration of optical systems have become a major trend in various applications. Micro-optics are playing an increasing role in optical imaging and display systems, optoelectronic systems, laser devices, thermal imaging devices, night vision devices, infrared scanning devices, display systems, camera systems, zoom lenses, medical diagnostic fundoscopes, endoscopes, progressive lenses, cell phones, PDAs, CDs and DVDs, etc.

Driven by the application demand, the research on micro-optical component fabrication technology is also in progress. In addition to the traditional ultra-precision mechanical fabrication technology, a variety of modern fabrication technologies have also emerged, such as electron beam writing technology, photolithography, etching technology, replication technology and coating technology. These technologies are developed from microelectronic component microfabrication technology, but unlike the original electronic components, three-dimensional molding accuracy and assembly accuracy is critical for optical components, will directly affect their performance, so each of these methods has its own defects and limitations of use. Generally speaking, machining accuracy and machining speed and output are conflicting goals that are difficult to balance.

The fabrication of NanoPrint 3D Intelligent Laser Nano-fabrication system, based on the non-linear action of laser and matter, can realize three-dimensional high-precision micro-nano structures in a variety of materials, providing a new idea for micro-optical component fabrication. It also utilizes the technology of multi-focus parallel processing, which can increase the fabrication efficiency and productivity hundreds of times, pushing the laser direct writing technology from the laboratory to the production manufacturing environment.

The laser 3D nano-fabrication technology represented by NanoPrint system has realized the fabrication of aspheric lenses, microlens arrays, pyramidal microstructure surfaces, reflection-reducing gratings, free-form optical elements and other structures with advantages that traditional fabrication equipment does not have, such as flexible structure design, high precision and high speed. It is mainly characterized by the ability to fabricate true three-dimensional structures with nanometer-level precision.