Professional IC Distribution & Technical Solutions

Manufacturer: SHARP

Part Number: GL-112G13

Specifications:

• Type: Optical Glass Lens
• Material: High-quality optical glass
• Diameter: 11.2 mm
• Thickness: 1.3 mm
• Surface Quality: Precision polished for high clarity
• Coating: Optional anti-reflective (AR) coating available

Descriptions:

The GL-112G13 is a precision optical glass lens designed for applications requiring high light transmission and minimal distortion. It is commonly used in imaging systems, laser optics, and industrial sensors.

Features:

• High optical clarity
• Durable glass construction
• Available with optional anti-reflective coating
• Suitable for precision optical assemblies
• Compatible with various industrial and scientific applications

This lens is engineered to meet stringent optical performance standards, ensuring reliable performance in demanding environments.

# Technical Analysis of SHARP’s GL-112G13 Optoelectronic Component

## 1. Practical Application Scenarios

The GL-112G13 is a high-performance optoelectronic component manufactured by SHARP, primarily designed for precision sensing and signal transmission applications. Its key use cases include:

• Industrial Automation: The component is widely used in optical encoders and position sensors due to its high-resolution detection capabilities. It ensures accurate feedback in robotic arms and CNC machinery.
• Medical Devices: In pulse oximeters and infusion pumps, the GL-112G13 provides reliable infrared signal transmission, ensuring patient safety through stable performance.
• Consumer Electronics: It is integrated into proximity sensors for smartphones and tablets, enabling touchless gesture control and display management.
• Automotive Systems: The component supports LiDAR and obstacle detection systems in autonomous vehicles, where low-latency response and durability are critical.

Its ability to operate under varying environmental conditions (e.g., temperature fluctuations and EMI interference) makes it suitable for mission-critical applications.

## 2. Common Design-Phase Pitfalls and Avoidance Strategies

Designers working with the GL-112G13 should be aware of the following challenges and mitigation techniques:

• Optical Misalignment: Improper placement can degrade signal integrity. Use precision jigs during assembly and verify alignment with optical simulation tools.
• Power Supply Noise: The component is sensitive to voltage ripple, leading to erratic behavior. Implement low-ESR decoupling capacitors and a regulated power supply.
• Thermal Management: Excessive heat can shift the wavelength of emitted light. Ensure adequate heat dissipation via PCB thermal vias or heatsinks.
• EMI Susceptibility: High-frequency interference may distort output signals. Shield sensitive traces and maintain proper grounding techniques.

Prototyping with evaluation modules (EVMs) and conducting signal integrity tests early in the design cycle can preempt these issues.

## 3. Key Technical Considerations for Implementation

To maximize the GL-112G13’s performance, engineers should prioritize:

• Drive Current Optimization: Operating outside the specified current range (refer to datasheet) may reduce lifespan or cause output instability.
• Optical Path Design: Minimize ambient light interference using IR filters or enclosures.
• Signal Conditioning: Pair the component with low-noise amplifiers (LNAs) or Schmitt triggers to enhance signal clarity.
• Compliance Testing: Validate designs against industry standards (e.g., IEC 62471 for photobiological safety).

By adhering to these guidelines, designers can leverage the GL-112G13’s full potential while ensuring reliability in end applications.