Structured Manufacturing Data (2026)

Optical Sensor Array / Electronic Distance Measurement (EDM) Unit

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Optical Sensor Array / Electronic Distance Measurement (EDM) Unit used in the Computer, Electronic and Optical Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Optical Sensor Array / Electronic Distance Measurement (EDM) Unit is characterized by the integration of Optical Sensor Array and EDM Transceiver. In industrial production environments, manufacturers listed on CNFX commonly emphasize Optical-grade glass construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A precision measurement component that combines optical sensing and electronic distance measurement technologies to verify the isocenter position in radiation therapy systems.

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Product Specifications

Technical details and manufacturing context for Optical Sensor Array / Electronic Distance Measurement (EDM) Unit

Definition
This unit serves as the core measurement component within an Isocenter Verification System, specifically designed for medical linear accelerators and radiation therapy equipment. It integrates an array of optical sensors with electronic distance measurement (EDM) capabilities to precisely determine the spatial position of the radiation beam's isocenter - the critical point where all treatment beams converge. The system ensures accurate patient positioning and treatment delivery by continuously monitoring and verifying the mechanical and radiation isocenter alignment.
Working Principle
The optical sensor array detects reference markers or fiducials using infrared or visible light, while the EDM subsystem employs phase-shift or time-of-flight measurement principles to calculate precise distances. Data from both subsystems are processed through triangulation algorithms to determine three-dimensional coordinates relative to the treatment machine's coordinate system.
Common Materials
Optical-grade glass, Semiconductor sensors, Aluminum alloy housing, Precision ceramics
Technical Parameters
  • Measurement accuracy for isocenter verification, typically ranging from ±0.1mm to ±0.5mm depending on system configuration and calibration (mm) Per Request
Components / BOM
  • Optical Sensor Array
    Detects and tracks reference markers using infrared or visible light sensors arranged in a specific geometric pattern
    Material: Semiconductor sensors, optical filters
  • EDM Transceiver
    Emits and receives modulated light signals to measure distances using phase-shift or time-of-flight principles
    Material: Laser diode, photodetector, precision optics
  • Signal Processing Unit
    Processes raw sensor data and calculates precise coordinates through triangulation algorithms
    Material: Printed circuit board, microprocessor, memory chips
  • Calibration Target
    Provides known reference points for system calibration and accuracy verification
    Material: Precision-machined steel, reflective coatings

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Optical Sensor Array / Electronic Distance Measurement (EDM) Unit.

radiation therapy isocenter verification sensor optical sensor array for medical linear accelerators EDM unit for radiation therapy calibration precision measurement component for radiotherapy systems optical-grade glass distance measurement sens

Applied To / Applications

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

Isocenter Verification System
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric pressure only (non-pressurized environment)
other spec: Humidity: 30% to 70% non-condensing, Vibration: <0.5g RMS, EMI/RFI: Must meet medical device standards IEC 60601-1-2
temperature: 10°C to 40°C (operating), 0°C to 50°C (storage)
Media Compatibility
✓ Medical-grade air environments ✓ Cleanroom atmospheres (ISO Class 5 or better) ✓ Radiation therapy treatment rooms with controlled environments
Unsuitable: High particulate environments (e.g., industrial manufacturing floors, construction sites) due to optical contamination risk
Sizing Data Required
  • Required measurement accuracy (typically ±0.1mm to ±1.0mm)
  • Working distance range (typically 0.5m to 5m)
  • Integration interface requirements (e.g., Ethernet, RS-485, analog outputs)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Optical Lens Contamination
Cause: Accumulation of dust, moisture, or industrial particulates on optical surfaces, degrading signal transmission and measurement accuracy.
Electronic Component Degradation
Cause: Thermal cycling, vibration, or electrical overstress leading to solder joint fatigue, capacitor failure, or signal drift in precision circuits.
Maintenance Indicators
  • Inconsistent or erratic distance readings despite stable environmental conditions
  • Visible condensation, fogging, or particulate buildup on optical windows or lenses
Engineering Tips
  • Implement regular optical cleaning with approved, non-abrasive materials and maintain controlled environments to minimize contamination ingress
  • Establish vibration isolation mounting and thermal management protocols to protect sensitive electronic components from mechanical and thermal stress

Compliance & Manufacturing Standards

Reference Standards
ISO 17123-9:2018 Optics and optical instruments - Field procedures for testing geodetic and surveying instruments - Part 9: Terrestrial laser scanners ANSI/ASME B89.1.7M:2001 Measurement of Calibrated Line Scales DIN 18723-6:1990 Engineering surveying instruments; testing of accuracy; electro-optical distance meters
Manufacturing Precision
  • Distance measurement accuracy: ±(1 mm + 1.5 ppm)
  • Angular measurement accuracy: ±1 arcsecond
Quality Inspection
  • Laser safety classification test (IEC 60825-1)
  • Environmental testing for temperature and humidity (IEC 60068-2 series)

Factories Producing Optical Sensor Array / Electronic Distance Measurement (EDM) Unit

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

How does this optical sensor array improve radiation therapy accuracy?

The sensor combines optical sensing with electronic distance measurement to precisely verify the isocenter position in radiation therapy systems, ensuring accurate beam targeting for patient safety and treatment effectiveness.

What materials ensure the durability of this EDM unit?

Constructed with optical-grade glass for clear sensing, semiconductor sensors for precise detection, aluminum alloy housing for lightweight durability, and precision ceramics for thermal stability in clinical environments.

What components are included in the BOM for this measurement system?

The bill of materials includes the Optical Sensor Array for detection, EDM Transceiver for distance measurement, Signal Processing Unit for data analysis, and Calibration Target for system verification and accuracy maintenance.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Computer, Electronic and Optical Product Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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