Optical lens design and imaging solutions are of vital importance in the security and surveillance industry for capturing, processing and analyzing visual information from various sources. The optical components of Sun Optics are designed for security and surveillance purposes to provide you with excellent clarity and offer you a cost-effective overall security optical solution for your monitoring needs.

Biometric Features Recognition

Biometric filters are optical components used in biometric devices. Their function is to enhance the recognition information of biological characteristic spectra. Through specific design and band selection, the common application of biometric filters is narrowband filters. By filtering out unnecessary bands and precisely selecting specific bands to pass through, the accuracy and stability of biometric recognition can be improved.

The selection band of biometric filters depends on the spectral range required for biometric recognition. Common fingerprint recognition relies on the visible light band, while facial recognition may involve visible light and near-infrared.

Biometric systems sample biometric features, extract their unique characteristics and convert them into digital codes, and further combine these codes into feature templates. Due to the continuous decline in the cost of microprocessors and various electronic components and the gradual improvement in accuracy, biometric systems have gradually been applied in commercial authorization control fields such as access control, enterprise attendance management systems, and security authentication.

Biometric features used for biometric identification include hand shape, fingerprint, face shape, iris, retina, pulse, auricle, etc. Behavioral features include signature, voice, key pressing force, etc. Based on these features, people have developed a variety of biometric technologies such as hand shape recognition, fingerprint recognition, facial recognition, pronunciation recognition, iris recognition and signature recognition.

IR Lenses / SWIR Lenses，Surveillance Camera Lenses

Infrared optical lenses are an important component of infrared optical systems and directly affect the performance of infrared thermal imagers. The infrared optical lens collects the infrared radiation actively emitted by the scene, and then the infrared detector converts the infrared radiation into electrical signals. After video processing and other procedures, the thermal image of the object is presented on the display.

Short-wave infrared imaging, due to its ability to provide unique target image information that conventional methods such as visible light imaging, low-light night vision, and infrared thermal imaging cannot offer, is of great significance in filling the spectral gap between low-light night vision and medium-wave infrared imaging, achieving "seamless detection" within three atmospheric infrared transmission Windows, and obtaining comprehensive infrared image information of long-distance targets.

Please contact us if you’d like to schedule a consultation or request a quote to discuss your specific requirements.  Explore how our custom or catalog optics can enhance your operations and let us help you protect what matters most.