Illumination Sources

Part Number	Description / PDF	Quantity
26200B-218 Aven	LED RING LIGHT 2.63" ID	1
26200A-300 Aven	ILLUMINATOR LIGHT RING	2
FL3000-A O.C. White Co.	FIBER OPTIC GOOSENECK LIGHT	4
4433 Adafruit	LED RING LIGHT - 76MM DIAMETER	70
LV2000 O.C. White Co.	LED RING LIGHT 2.35" ID	2
26200B-214 Aven	LED RING LIGHT 2.76" ID	43
LV3500 O.C. White Co.	LED RING LIGHT 2.35" ID	0
26534 Aven	LED ILLUMINATOR GOOSENECK LIGHTS	3
35-07-50-000 Excelitas Technologies	LED COAX ILLUMINATOR	1
FV1000 O.C. White Co.	FLUORESCENT RING LIGHT 2.36" ID	3
010-00440R Excelitas Technologies	X-Cite Xylis S 365nm illuminator	0
26200B-223 Aven	OLED RING LIGHT FOR MICROSCOPES	46
26200B-215 Aven	UV LED RING LIGHT 365NM	1011
26200B-216 Aven	LED RING LIGHT 1.97" ID	121
26200B-222 Aven	LED RING LIGHT 2.44" ID	320
LV2000-B O.C. White Co.	LED RING LIGHT 2.35" ID	37
26200B-207 Aven	FLUORESCENT RING LIGHT	50
010-00477R Excelitas Technologies	X-Cite Mini+ S 365nm illuminator	2
010-00444R Excelitas Technologies	X-Cite Xylis L 385nm illuminator	2
26200B-207-ESD Aven	RING LIGHT LED WITH INTEGRATED F	22

Illumination Sources

1. Overview

Illumination sources are critical components in optical inspection systems, providing controlled lighting to enhance image quality and measurement accuracy. These light sources enable precise detection of surface defects, dimensional variations, and material properties across industrial, scientific, and medical applications. Their evolution has directly driven advancements in machine vision, automated quality control, and non-contact measurement technologies.

2. Main Types and Functional Classification

Type	Functional Characteristics	Application Examples
LED Light Sources	High energy efficiency, long lifespan (50,000+ hours), adjustable wavelength	PCB board inspection, food packaging defect detection
Halogen Lamps	Continuous spectrum output, high color rendering index	Metal surface roughness measurement, optical microscopy
Xenon Lamps	High-intensity pulsed light, broad spectral range	High-speed motion object capture, 3D shape measurement
Laser Illuminators	Monochromatic coherence, adjustable beam shape	Semiconductor wafer alignment, precision displacement sensing
Fluorescent Lamps	Uniform area lighting, low heat emission	Document scanning, textile quality control

3. Structure and Components

Typical illumination systems consist of: - Light source core (LED array/lamp/halogen bulb) - Precision optical components (lenses, diffusers, filters) - Thermal management system (heat sinks/fans) - Power regulation modules - Housing with mechanical adjustment features Advanced systems integrate smart controllers for intensity modulation and spectral tuning.

4. Key Technical Specifications

Parameter	Importance
Illuminance (lx)	Determines minimum detectable feature size
Spectral Range (nm)	Affects material contrast and penetration depth
Color Temperature (K)	Influences image sensor color accuracy
Lifespan (hours)	Impacts maintenance intervals and TCO
Stability (% fluctuation)	Determines measurement repeatability

5. Application Fields

Semiconductor manufacturing (wafer inspection, bump detection)
Automotive industry (paint finish analysis, weld seam inspection)
Medical devices (endoscope imaging, lab-on-chip analysis)
Electronics assembly (solder joint AOI, component placement verification)
Food & beverage (contaminant detection, label inspection)

6. Leading Manufacturers and Products

Manufacturer	Representative Product	Key Features
CCS Inc.	LDR2-50SW2	Programmable RGB LED, 20,000 lux output
Edmund Optics	59-875 LED Light Engine	Tunable spectrum from 400-720nm
Cognex	DSMax HR	High-power coaxial illumination for robotic guidance
CCS Inc.	LDR2-50SW2	Programmable RGB LED, 20,000 lux output

7. Selection Recommendations

Key considerations include: - Spectral matching with target material optical properties - Required illumination uniformity (<5% variation) - Environmental factors (temperature, vibration) - Integration with imaging system's shutter speed - Total cost of ownership (energy consumption vs. lifespan) For example, selecting a 525nm green LED source for red-colored part inspection to maximize contrast.

8. Industry Trends

Current development trends include: - Miniaturization of LED sources for embedded vision systems - AI-integrated lighting control for adaptive optimization - Advancements in UV/VIS/NIR multispectral illumination - Increased adoption of structured light patterns for 3D metrology - Growing demand for sterile, contactless inspection solutions in pharmaceuticals