Access control & security

Biometric authentication for access control and security monitoring systems deliver increased protection and security for sensitive areas or critical infrastructure as well as providing new level of user convenience for example in regard to touchless entry control.

Secure and touchless authentication

Access control and security monitoring systems grant increased protection, convenience, and peace of mind for people, buildings, and outside locations. Having the right verification mechanism is crucial. The touchless-authentication trend has accelerated demand for 3D authentication sensing solutions for use in residential and public building access and in the commercial space.

Based on all three forms of 2D and 3D sensing technologies, ams OSRAM delivers all key components for face authentication from the VCSEL-based near infrared (NIR) flood and dot pattern illuminators over discrete NIR LEDs at a wide spread power range to the highly sensitive receiving image sensors. Reference designs including software are available; making the adoption of 3D face authentication based on ams OSRAM’s key components and software a simple and fast process.

Most of the market is still using 2D face authentication, while 3D anti-spoofing is a key feature to achieve highest biometric security levels. Where authentication systems draw too much power to remain ‘on,’ 1D time-of-flight presence detection sensing can operate at lower power and trigger the authentication system to turn on when someone approaches to request access. Some of our low-power imager products have such a presence related wake-up feature even in-built.

ams OSRAM has a myriad of advanced technologies and solutions that are shaping this industry, and seamlessly integrate into your products.

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Access control and security secure and touchless authentication infrared illumination

Infrared illumination for industrial and home security

Infrared illumination plays a significant role in the broad field of security – ranging from in- and outdoor applications in both the fields of industrial security cameras as well as home security systems. With a long heritage in developing infrared LEDs, ams OSRAM is the technology leader, offering several different products matching the various requirements of each application area – like power classes up to 2W per device depending on the system setup. The portfolio comes with a variety of package sizes combined with many beam angles, making it unique for all kinds of system requirements (space-critical applications, easy clustering, narrow angle for direct illumination or wide angle for nearby objects or secondary optics). The choice of 850nm enables a high camera sensitivity while the 940nm options are ideal for covert observation by eliminating the red glow visible to the human eye. Continuously expanding and improving the IR high power portfolio, ams OSRAM is prepared to stay the market leader in infrared illumination for industrial and home security.

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Featured Products

ams Mira050 CMOS Image Sensor

Mira050 is a compact 0.5 MP Near IR enhanced global shutter image sensor designed for 2D and 3D consumer and industrial machine vision applications. The sensor has a small 2.79 µm pixel size with high sensitivity made possible by a state of the art BSI technology. The sensor has a MIPI CSI-2 interface to allow easy interfacing with a plethora of processors and FPGAs. Due to its small size, configurability and high sensitivity both in visual as well as NIR, the Mira050 is well suited for 2D and 3D applications, which include Active Stereo Vision, Structured Light Vision and AR/VR. High sensitivity in NIR enables increased measurement range and allows overall system power consumption optimization which is key for battery powered consumer and industrial applications.

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ams BELAGO1.1 Dot Projector

BELAGO1.1 is a proprietary infrared dot-pattern illuminator for stereoscopic imaging and structured light platforms with eye-safety feature. It produces a focus-free, high-contrast dot pattern that algorithms can use to address low-texture situations and achieve high-accuracy depth maps. An additional benefit of the dot pattern is a reduction of the computational load required to perform the depth calculation.The BELAGO1.1 dot-pattern illuminator is provided in a miniature package that is compatible with standard lead-free reflow processes. As such, it can be successfully used onboard of a great variety of 3D sensing platforms, from mobile to IoT to robotics, both for stereoscopic imaging and structured light. BELAGO1.1 emitters project 5k dots, focus-free, in a random pattern at 940nm.

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OSRAM BIDOS® P2433 Q, V105Q121A-940

940 nm Multi-Mode VCSEL Power Array Designed for Sensor Field of Interest : 60° x 45°

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OSRAM OSLON® Black, SFH 4713A

OSLON Black Series (850 nm) - 80°

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OSRAM OSLON® Black, SFH 4725AS

OSLON Black Series - 80°

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ams TMF8821 configurable 4x4 multi-zone Time-of-Flight Sensor

The TMF8821 is a direct time-of-flight (dToF) sensor in a single modular package with associated VCSEL. The dToF device is based on SPAD, TDC and histogram technology and achieves 5000 mm detection range. Due to its lens on the SPAD, it supports 3x3, 4x4 and 3x6 multizone output data and a wide, dynamically adjustable, field of view. A multi-lens-array (MLA) inside the package above the VCSEL widens up the FoI (field of illumination). All processing of the raw data is performed on-chip and the TMF8821 provides distance information together with confidence values on its I2C interface.

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ams TMD3725 Color Sensor Module

The TMD3725 features advanced proximity measurement, color sense (RGBC+IR), and digital ambient light sensing (ALS). The package has been designed to accommodate a “single hole” aperture approach. The slim module incorporates an IR LED and factory calibrated LED driver. The proximity detection feature provides object detection (e.g. mobile device screen to user’s ear) by photodiode detection of reflected IR energy (sourced by the integrated LED). Detect/release events are interrupt driven, and occur when proximity result crosses upper and/or lower threshold settings. The proximity engine features offset adjustment registers to compensate for unwanted IR energy reflection at the sensor. Proximity results are further improved by automatic ambient light subtraction. The ALS detection feature provides photopic light intensity data. The color photodiodes have UV and IR blocking filters and converts photodiode current into dedicated integrating data converters producing 16-bit data. This digital output can be interfaced with a microprocessor where illuminance and color temperature can be calculated to control a displays backlight and chromaticity.

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ams AS7343 Spectral Sensor

The AS7343 is a 14-channel highly versatile, multi-purpose spectral sensor enabling new consumer, commercial, industrial and laboratory applications. It is optimized for reflective, transmissive and emissive measurements including color matching, fluid or reagent analysis or general spectral reconstruction.The spectral response is defined by individual channels covering approximately 380 nm to 1000 nm with 12+2 channels: 12 in the visible spectrum (VIS) to near-infrared (NIR) range, a clear channel and flicker channel. Applications can be assisted by full spectral reconstruction of light and an integrated flicker detection channel that can automatically flag ambient light flicker at 50/60 Hz as well as buffer data for externally calculating other flicker frequencies. AS7343 integrates high-precision optical filters onto standard CMOS silicon via deposited interference filter technology. A built-in aperture controls the light entering the sensor array to increase accuracy. A programmable digital GPIO and LED driver enable light source and trigger/sync control. Device control and spectral data access is implemented through a serial I²C interface. The device is available in an ultra-low profile package with dimensions of 3.1 mm x 2 mm x 1 mm.

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