Editorial Technical Reference

Optical System

This page explains how Optical System is classified within Electrical Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A component of LED tunnel lights that controls and directs light output through optical elements.

Product Specifications

Technical details and manufacturing context for Optical System

Definition
The optical system in LED tunnel lights is a critical component responsible for shaping, distributing, and optimizing the light emitted by LED sources. It ensures uniform illumination, minimizes glare, and directs light precisely where needed within the tunnel environment to enhance visibility and safety. This system typically integrates lenses, reflectors, and diffusers, each playing a distinct role in light manipulation. Lenses focus or spread light, reflectors redirect light using reflective surfaces, and diffusers scatter light to achieve uniform distribution. Together, these elements work to achieve desired beam patterns, intensity, and coverage for tunnel lighting applications. The optical system is designed to meet specific performance parameters, including luminous flux ranging from 3000 to 15000 lumens, beam angles from 30 to 120 degrees, and optical efficiency between 85% and 95%. It operates within a temperature range of -40°C to 85°C and offers ingress protection ratings from IP65 to IP67. Materials commonly used include polycarbonate (PC), polymethyl methacrylate (PMMA), and aluminum, chosen for their optical clarity, durability, and thermal properties. The system's dimensions typically range from 100 to 300 mm, with weights between 0.5 and 2.5 kg. It also features UV resistance of at least 1000 hours, impact resistance of at least 10 kJ/m², light transmittance of 88% to 92%, and thermal conductivity of 0.2 to 0.4 W/(m·K). These specifications are reference values that must be verified for the specific model and application. The optical system is integral to the performance and safety of LED tunnel lighting, ensuring reliable and efficient illumination in demanding environments.
Working Principle
The optical system utilizes lenses, reflectors, and diffusers to manipulate light rays. Lenses focus or spread light, reflectors redirect light using reflective surfaces, and diffusers scatter light to create uniform distribution. These elements work together to achieve desired beam patterns, intensity, and coverage for tunnel lighting applications. The system is designed to control light distribution, minimize glare, and ensure uniform illumination across the tunnel surface, enhancing visibility and safety for drivers.
Common Materials
Polycarbonate (PC), Polymethyl Methacrylate (PMMA), Aluminum
Technical Parameters
ParameterTypical rangeNotes & selection driver
Luminous Flux3000–15000 lmDepends on LED module and driverIES LM-79
Beam Angle30–120 °Narrow for long tunnels, wide for shortIES LM-79
Optical Efficiency85–95 %Higher reduces energy lossIES LM-79
Operating Temperature-40–85 °CExceeding may degrade optical materialsIEC 60068-2-14
Ingress ProtectionIP65–IP67Dust-tight and water-jet protectedIEC 60529
MaterialPMMA/PCPC for high temp, PMMA for clarityUL 94
Weight0.5–2.5 kgAffects mounting and handling
Dimensions100–300 mmDiameter or length depending on design
UV Resistance≥1000 hPrevents yellowing in sunlightASTM G154
Impact Resistance≥10 kJ/m²Withstands mechanical stressISO 179
Light Transmittance88–92 %Higher improves efficiencyASTM D1003
Thermal Conductivity0.2–0.4 W/(m·K)Affects heat dissipationISO 22007

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
  • Primary Lens Part
    Focuses or spreads light from LED source to achieve desired beam pattern
    Material: Polycarbonate or PMMA
  • Reflector Part
    Redirects light using reflective surfaces to enhance light distribution and efficiency
    Material: Aluminum with reflective coating
  • Diffuser Part
    Scatters light to create uniform illumination and reduce glare
    Material: Polycarbonate or PMMA
  • Optical Housing Part
    Protects and positions optical elements within the LED tunnel light assembly
    Material: Aluminum or engineering plastic

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Optical System.

Applied To / Applications

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

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric (non-pressurized)
other spec: IP65/IP66 ingress protection, 50,000+ hours LED lifespan
temperature: -40°C to +85°C
Media Compatibility
✓ LED light sources ✓ Aluminum alloy housings ✓ Polycarbonate/PMMA lenses
Unsuitable: High-vibration environments without shock mounting
Sizing Data Required
  • Required luminous flux (lumens)
  • Beam angle/light distribution pattern
  • Mounting distance from tunnel surface

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Lens contamination/degradation
Cause: Accumulation of dust, oil mist, or particulates on optical surfaces; chemical attack from environmental contaminants; UV degradation of coatings or materials.
Misalignment/calibration drift
Cause: Thermal expansion/contraction of mounts; vibration-induced loosening of adjustment mechanisms; mechanical shock from handling or operation; wear in positioning components.
Maintenance Indicators
  • Gradual or sudden decrease in signal intensity/transmission (visual: dim output, audible: weaker signal in optical comms)
  • Increased optical noise/scatter (visual: hazy output beam, audible: higher baseline noise in detection systems)
Engineering Tips
  • Implement regular optical cleaning with approved materials/methods and maintain controlled environment (clean air, stable temperature/humidity) to prevent contamination and thermal stress.
  • Establish vibration isolation for critical components and perform periodic alignment verification/calibration using optical test equipment to maintain precision.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ISO 10110: Optical and photonic components ANSI Z80.1: Ophthalmic lenses DIN 3140: Optical systems - Tolerances

Quoted from the published standard.

Manufacturing Precision
  • Surface figure error: λ/4 at 632.8 nm
  • Centering tolerance: 0.02 mm TIR
Quality Inspection
  • Interferometric surface testing
  • MTF (Modulation Transfer Function) measurement

Manufacturers of Optical System

7 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

CASTECH INC.
Shenzhen, Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Optical System”
View source page ↗ castech.com · checked 2026-09-14
CE THERMAL VISION
Shenzhen, Guangdong, CN
Also makes: User Interface
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Optical System”
View source page ↗ cethermal.com · checked 2026-09-13
Changchun New Industries Optoelectronics Technology Co., Ltd.
Changchun, Jilin, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Multi-function Optical System”
View source page ↗ cnilaser.com · checked 2026-08-30
OLIGHTEK
Yunnan, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “AMOLED Optical System”
View source page ↗ olightek.com · checked 2026-09-18
Onset
Suzhou, Jiangsu, CN
Also makes: Optical Spectrometer
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Optical Systems”
View source page ↗ onset-eo.com · checked 2026-09-08
Rays Optics
Jilin, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Custom Optical Systems”
View source page ↗ rays-optics.com · checked 2026-09-18
UNI Optics
Fuzhou, Fujian, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Optical System Design”
View source page ↗ uni-optics.com · checked 2026-09-18

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

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Frequently Asked Questions

What is the primary function of the optical system in LED tunnel lights?

The optical system shapes, distributes, and optimizes light from LED sources to ensure uniform illumination, minimize glare, and direct light precisely where needed for visibility and safety in tunnels.

What materials are commonly used in the optical system?

Common materials include polycarbonate (PC), polymethyl methacrylate (PMMA), and aluminum. These are selected for optical clarity, durability, and thermal management.

What are typical performance parameters for this optical system?

Typical reference ranges include luminous flux of 3000–15000 lm, beam angle of 30–120°, optical efficiency of 85–95%, operating temperature of -40–85°C, and ingress protection of IP65–IP67. These values must be confirmed for the specific model.

How should I verify the specifications for a specific optical system?

Always check the datasheet or technical documentation from the legal manufacturer or supplier. The values listed in this directory are reference ranges and may vary by model and application.

Data Basis

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

Preliminary Technical Classification
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