---
title: "Light Source/Detector"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:LIGHT_SOURCEDETECTOR"
  data_integrity_hash: "e1ac3e963feaf445fb3420efcb4059e2"
  source_authority: "https://cnfx.com"
  strict_mode: true
source_identity:
  provider: "CNFX Industrial Knowledge Graph"
  index_version: "2026.Q1-Universal"
  authority_id: "URN:CNFX:ME:LIGHT_SOURCEDETECTOR"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/light-sourcedetector.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/light-sourcedetector"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "400-700 nm wavelength, 0.1-100 mW optical power, -40°C to +85°C ambient temperature"
    unit: "nm"
engineering_limits:
  max_safe_operating_point:
    value: 125
    unit: "°C"
    consequence: "Thermal runaway in semiconductor junctions (Arrhenius equation: failure rate doubles per 10°C rise above 85°C), quantum efficiency degradation due to lattice defects from thermal cycling, Fresnel reflection losses exceeding 4% per interface causing signal attenuation"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Electrostatic discharge exceeding 8 kV HBM (Human Body Model) during handling"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "ESD-protected packaging with conductive foam, wrist strap protocols during installation, on-board transient voltage suppression diodes rated for 15 kV"
  - node_2:
      trigger: "Ambient temperature cycling between -40°C and +85°C at 10°C/minute rate"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Gold wire bonding with loop height &lt;150 μm, low-stress silicone encapsulation with CTE matched to 6.5 ppm/°C, thermal cycling qualification to 5000 cycles"
bom_nodes:
  ledlaser-diode:
    type: "component"
    urn: "URN:CNFX:ME:LEDLASER_DIODE"
    interface_type: "physical-logic-coupled"
  photodiode-array:
    type: "part"
    urn: "URN:CNFX:ME:PHOTODIODE_ARRAY"
    interface_type: "physical-logic-coupled"
  optical-lens:
    type: "component"
    urn: "URN:CNFX:ME:OPTICAL_LENS"
    interface_type: "physical-logic-coupled"
  housing:
    type: "component"
    urn: "URN:CNFX:ME:HOUSING"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 15004-2:2007 (OPHTHALMIC INSTRUMENTS - LIGHT HAZARD PROTECTION)"
    scope: "Verified Engineering Specification"
  - standard: "DIN 5035-7:2019 (ARTIFICIAL LIGHTING - PART 7: LIGHTING OF INDOOR WORKPLACES)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/light-sourcedetector.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "fb467d4c8ac5d490b4e28eb8f34e3dda7822f9a60c0023cdb061eb02b993711e"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Light Source/Detector

## 1. Technical Definition
Integrated optical component that emits and receives light signals for position/speed detection in feedback systems.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **400-700 nm wavelength, 0.1-100 mW optical power, -40°C to +85°C ambient temperature**. Failure boundary: **LED junction temperature exceeds 125°C, photodiode dark current exceeds 100 nA at 25°C, optical output degradation &gt;30% from initial specification**, Mechanism: **Thermal runaway in semiconductor junctions (Arrhenius equation: failure rate doubles per 10°C rise above 85°C), quantum efficiency degradation due to lattice defects from thermal cycling, Fresnel reflection losses exceeding 4% per interface causing signal attenuation**.

### 2.1 Analytical Physics Model
Governed by the **Rayleigh Resolution Criterion**:

> **Primary Equation**: $d = \frac{0.61 \lambda}{NA}$  
> **Engineering Impact**: Defines the theoretical limit of machine vision systems.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| \lambda | Wavelength | Engineering Constant |
| NA | Numerical Aperture | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Electrostatic discharge exceeding 8 kV HBM (Human Body Model) during handling | 8 | Catastrophic semiconductor junction breakdown, immediate 100% optical output failure | ESD-protected packaging with conductive foam, wrist strap protocols during installation, on-board transient voltage suppression diodes rated for 15 kV |
| Ambient temperature cycling between -40°C and +85°C at 10°C/minute rate | 8 | Thermal stress fracture of wire bonds, epoxy delamination causing 50% signal attenuation within 1000 cycles | Gold wire bonding with loop height &lt;150 μm, low-stress silicone encapsulation with CTE matched to 6.5 ppm/°C, thermal cycling qualification to 5000 cycles |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| spec | Config-dependent | nm | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Photodiode Array](https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/photodiode-array.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Optical Alignment Station**, **Signal Conditioning Unit**, **Clean Room Assembly Environment**  
**Downstream Applications**: CNC Machine Tools, Industrial Robots, Packaging Machinery  

## 5. Engineering Risks & FAQ
- **Caution**: 
- **Caution**: 
- **Caution**: 

### Q: What makes this light source/detector suitable for machinery feedback systems?
**A**: Its integrated design combines Gallium Arsenide LEDs for stable light emission and silicon photodiodes for precise signal reception, enabling accurate position and speed detection in harsh industrial environments.

### Q: How does the optical-grade plastic/glass housing improve performance?
**A**: The optical-grade materials minimize signal distortion and protect sensitive components from dust, moisture, and mechanical stress, ensuring consistent performance in manufacturing equipment.

### Q: Can this component be customized for specific machinery applications?
**A**: Yes, the photodiode array configuration, lens specifications, and housing design can be adapted for different detection ranges, resolutions, and environmental conditions in various equipment types.

## 6. Manufacturing Compliance
- ISO 15004-2:2007 (OPHTHALMIC INSTRUMENTS - LIGHT HAZARD PROTECTION)
- DIN 5035-7:2019 (ARTIFICIAL LIGHTING - PART 7: LIGHTING OF INDOOR WORKPLACES)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Light Source/Detector](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/light-sourcedetector)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **4** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: LIGHT_SOURCEDETECTOR | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 583acb93
