HomeSpecialTruly Innovative ElectronicsInfrared LED For Iris Recognition In Identity Authenticating Systems

Infrared LED For Iris Recognition In Identity Authenticating Systems

Uses an advanced ISP image processor together with a CMOS sensor to receive the infrared reflection by the human eye for iris identification

Smart biometric is capable of identifying a user’s unique fingerprint, voice and iris patterns. Face recognition avoids the problem of recalling traditional long passwords. Infrared LEDs for non-contact optical identification have a compact size, strong security and quick recognition speed, which makes the technology increasingly sought after.

Offering exactly this is the NIR-C19M series. Having a wavelength of 810nm allows a clear contrast effect, making it possible to read the pattern of the iris. The recognition process is precise, quick and features excellent heat dissipation, which is perfectly suitable for iris recognition applications in security surveillance systems (access control) and portable handsets.

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The NIR-C19M series for non-contact optical iris recognition adopts a moulding manufacturing process as it results in a smoother surface and increased reliability (as compared to the traditional glue dispense manufacturing process).

The NIR-C19M series uses an advanced ISP image processor together with a CMOS sensor to receive the infrared reflection by the human eye for authenticating iris identification. Its unique optical design achieves a clear high reflection rate, a small angle (FOV=25) and a radiant intensity of up to 2,700mW/Sr less than 1000mA.
The heat dissipation with a thermal resistance is of 4.38℃/W.

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Additionally, the dimension of NIR-C19M series is 3.5 x 3.5 x 2.3 mm, which is optimal for space-constrained portable devices.

The device has also passed IEC62471, a safety regulation to prove that no harm arises to human eyes and skin.


Vinay Prabhakar Minj
Vinay Prabhakar Minj
Vinay Prabhakar Minj is a technology writer and science communication specialist with a Master’s degree in Communication of Science and Innovation (Science Communication). He is a prolific contributor to Electronics For You, where he has authored over 1,000 articles covering electronics, semiconductors, embedded systems, IoT, and emerging technologies. With a strong foundation in science communication, Vinay focuses on translating complex engineering concepts into clear, accessible, and application-oriented content. His work spans topics such as sensor technologies, chip design, wireless systems, and next-generation electronics, making advanced innovations easier to understand for engineers, students, and industry professionals. Through his extensive contributions, he has built a reputation for delivering reliable, well-researched, and practical insights that help readers stay updated with the rapidly evolving electronics ecosystem. His writing bridges the gap between technical depth and real-world usability, supporting both learning and decision-making in the field.

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