---
title: "Objective Lens"
industry: "Computer, Electronic and Optical Product Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:OBJECTIVE_LENS"
  data_integrity_hash: "f60dc2ae28906a93c4329dbb0c489947"
  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:OBJECTIVE_LENS"
  data_source_uri: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/objective-lens.md"
  official_resource_url: "https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/objective-lens"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "400-700 nm wavelength, 0.1-100 mW incident power, 15-35°C ambient temperature"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 63.3
    unit: "nm"
    consequence: "Thermal expansion mismatch between lens material (N-BK7 glass, α=7.1×10⁻⁶/K) and mounting structure (aluminum, α=23.1×10⁻⁶/K) causing stress-induced birefringence and surface distortion"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Laser power density exceeding 10 kW/cm² at 532 nm wavelength"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Integrate optical power meter with automatic shutter at 8 kW/cm² threshold"
  - node_2:
      trigger: "Cyclic thermal loading from 20-80°C at 1 Hz frequency"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Implement matched CTE titanium flexure mounts (α=8.6×10⁻⁶/K) with strain relief design"
bom_nodes:
  lens-housing:
    type: "component"
    urn: "URN:CNFX:ME:LENS_HOUSING"
    interface_type: "physical-logic-coupled"
  anti-reflection-coating:
    type: "component"
    urn: "URN:CNFX:ME:ANTI_REFLECTION_COATING"
    interface_type: "physical-logic-coupled"
  lens-element:
    type: "component"
    urn: "URN:CNFX:ME:LENS_ELEMENT"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 10110-7:2017 - SURFACE IMPERFECTIONS"
    scope: "Verified Engineering Specification"
  - standard: "ANSI Z80.1-2015 - OPHTHALMIC LENSES"
    scope: "Verified Engineering Specification"
  - standard: "DIN 3140-7:2017 - OPTICAL ELEMENTS"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/objective-lens.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "3baf70e75e03603f8a0fc2e6ee568a6ada3318c7acaae974ee7a366907d70e72"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Objective Lens

## 1. Technical Definition
A precision optical lens that collects and focuses light in an interferometric optical head.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **400-700 nm wavelength, 0.1-100 mW incident power, 15-35°C ambient temperature**. Failure boundary: **Surface deformation exceeding λ/10 (63.3 nm RMS at 633 nm wavelength), transmission loss &gt;5%, temperature gradient &gt;10°C across lens diameter**, Mechanism: **Thermal expansion mismatch between lens material (N-BK7 glass, α=7.1×10⁻⁶/K) and mounting structure (aluminum, α=23.1×10⁻⁶/K) causing stress-induced birefringence and surface distortion**.

### 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 |
| :--- | :--- | :--- | :--- |
| Laser power density exceeding 10 kW/cm² at 532 nm wavelength | 8 | Lens coating ablation and substrate melting at focal point | Integrate optical power meter with automatic shutter at 8 kW/cm² threshold |
| Cyclic thermal loading from 20-80°C at 1 Hz frequency | 8 | Radial cracking from CTE mismatch stress accumulation | Implement matched CTE titanium flexure mounts (α=8.6×10⁻⁶/K) with strain relief design |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Interferometric Optical Head Assembly Station**, **Precision Lens Coating System**, **Optical Alignment and Testing Equipment**  
**Downstream Applications**: Interferometric Measurement Systems, Precision Metrology Instruments, Semiconductor Inspection Equipment  

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

### Q: What are the primary applications of this objective lens in computer and optical product manufacturing?
**A**: This objective lens is specifically designed for interferometric optical heads used in precision measurement, alignment, and inspection systems within computer, electronic, and optical manufacturing processes.

### Q: How does the anti-reflection coating improve lens performance?
**A**: The anti-reflection coating minimizes light loss and ghost images by reducing surface reflections, ensuring maximum light transmission and measurement accuracy in interferometric applications.

### Q: What are the advantages of using fused silica versus optical glass for this lens?
**A**: Fused silica offers superior thermal stability and lower thermal expansion, making it ideal for high-precision applications with temperature variations, while optical glass provides excellent optical clarity and cost-effectiveness for standard applications.

## 6. Manufacturing Compliance
- ISO 10110-7:2017 - SURFACE IMPERFECTIONS
- ANSI Z80.1-2015 - OPHTHALMIC LENSES
- DIN 3140-7:2017 - OPTICAL ELEMENTS

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Objective Lens](https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/objective-lens)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **3** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: OBJECTIVE_LENS | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: db37e61a
