Receiver Sensor for Laser Scanners | Industrial Component

Product Specifications

Technical details and manufacturing context for Receiver Sensor

Definition

A receiver sensor is a critical component of a laser scanner module that captures the laser beam reflected from a target object. It functions as the detection element, converting the received optical signals into corresponding electrical signals for further processing by the scanner's control system. This enables precise measurement of distance, position, or surface characteristics. The sensor typically uses a photodiode or photodetector array as its active area, with materials such as silicon, germanium, or indium gallium arsenide (InGaAs) depending on the wavelength range. The receiver sensor is designed for integration into laser scanner systems used in industrial applications, such as manufacturing, automation, and quality control. It operates within a sensing distance of 0.1 to 10 meters, with a response time of 0.1 to 10 milliseconds. The spectral range covers 400 to 1100 nanometers, and the supply voltage ranges from 5 to 24 V DC. The output current is typically 20 to 100 mA, and the operating temperature range is -20 to 70 °C, with storage temperature from -40 to 85 °C. The housing is made of aluminum or polycarbonate (PC), and the ingress protection rating is IP54 to IP67 per IEC 60529. The product weighs between 10 and 50 grams, with typical dimensions of 20×20×10 mm. These parameters are reference ranges and must be verified for the specific model and application. The receiver sensor is a component, not a standalone device, and its performance depends on the laser scanner's design and the target's reflectivity. For proper selection, consider the required sensing distance, response time, spectral compatibility, and environmental conditions. Always confirm model-specific values and standards with the legal manufacturer or supplier.

Working Principle

The receiver sensor operates by detecting photons from the reflected laser beam. When the laser light strikes the sensor's active area (typically a photodiode or photodetector array), it generates an electrical current proportional to the light intensity. This signal is then amplified and processed to determine time-of-flight, phase shift, or intensity variations, which are used to calculate distance or create 3D point clouds. The sensor's response time and spectral range determine its suitability for different scanning speeds and laser wavelengths. The generated electrical signal is transmitted to the scanner's control system for further analysis. The sensor's performance is influenced by ambient light, target surface properties, and alignment. Proper shielding and optical filtering may be required to minimize interference. The sensor must be operated within its specified voltage and temperature ranges to ensure reliable detection. Failure to maintain clean optics or proper alignment can lead to reduced sensitivity or signal loss. Regular inspection and cleaning of the sensor's window are recommended to maintain performance.

Common Materials

Silicon photodiode, Germanium (for specific wavelengths), Indium gallium arsenide (InGaAs)

Technical Parameters

Parameter	Typical range	Notes & selection driver
Sensing Distance	0.1–10 m	Maximum range for reliable detection
Response Time	0.1–10 ms	Time to output signal after light detection
Spectral Range	400–1100 nm	Wavelength range of detectable light
Supply Voltage	5–24 V DC	Operating voltage range
Output Current	20–100 mA	Maximum load current
Operating Temperature	-20–70 °C	Ambient temperature range
Storage Temperature	-40–85 °C	Non-operating temperature range
Ingress Protection	IP54–IP67	Dust and water resistanceIEC 60529
Material	Aluminum, PC	Housing material
Weight	10–50 g	Product weight
Dimensions	20×20×10 mm	Typical footprint

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Photodiode Chip Part
Converts incident photons into electrical current through the photovoltaic effect

Material: Silicon or compound semiconductor
Transimpedance Amplifier
Converts the photodiode's current output into a voltage signal and provides initial amplification

Material: Semiconductor integrated circuit
Optical Filter Part
Blocks unwanted ambient light and passes only the specific laser wavelength

Material: Glass with dielectric coating
Protective Window Part
Shields the sensitive photodiode from environmental contaminants while transmitting laser light

Material: Optical glass or sapphire

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Laser scanner module

View system integration details

Laser Safety Scanner

View system integration details

Manufacturers of Receiver Sensor

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Frequently Asked Questions

What is the typical sensing distance of a receiver sensor?

The sensing distance for reliable detection is typically in the range of 0.1 to 10 meters, but this depends on the specific model and the reflectivity of the target. Always verify the exact value with the manufacturer.

What materials are used in the receiver sensor's active area?

Common materials include silicon photodiodes, germanium for specific wavelengths, and indium gallium arsenide (InGaAs). The choice depends on the laser wavelength and performance requirements.

What is the operating temperature range?

The operating temperature range is -20 to 70 °C, and the storage temperature range is -40 to 85 °C. Ensure the sensor is used within these limits to avoid damage.

What ingress protection rating does the sensor have?

The ingress protection rating is IP54 to IP67 per IEC 60529, indicating dust and water resistance. The actual rating depends on the housing configuration and must be confirmed for the specific model.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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pressure:	0 to 1 bar (atmospheric to slight positive pressure)
other spec:	Wavelength range: 400-1100 nm, Response time: <10 ns, Supply voltage: 3.3V to 5V DC
temperature:	-40°C to +85°C

Receiver Sensor

Product Specifications

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