In today's automated manufacturing environment, precision sensing is critical. Whether you're inspecting tiny components, detecting transparent materials, or operating in confined spaces, photoelectric fiberoptics provide reliable sensing where traditional sensors simply cannot.

For more than 40 years, FLA Fibers has manufactured photoelectric fiberoptics, industrial fiberoptics, and custom fiber optic light guides for OEMs, machine builders, and automation engineers throughout North America.

This guide explains everything you need to know about industrial photoelectric fiberoptics, including how they work, their advantages, common applications, and how to select the right solution for your equipment.

What Are Photoelectric Fiberoptics?

Photoelectric fiberoptics are flexible optical assemblies that transmit light between a photoelectric sensor amplifier and the sensing location.

Unlike conventional photoelectric sensors, the sensing electronics remain safely mounted away from heat, vibration, chemicals, or limited-space installations. Only the fiber optic cable is routed into the sensing area.

This allows manufacturers to perform highly accurate object detection in locations where standard sensors cannot fit.

Common names include:

• Photoelectric Fiberoptics
• Industrial Fiberoptics
• Fiber Optic Light Guides
• Fiberoptic Assemblies
• Fiber Optic Cables
• Glass Fiberoptics

How Do Photoelectric Fiberoptics Work?

A photoelectric amplifier generates light that travels through a fiber optic cable to the sensing point.

When an object interrupts or reflects that light, the amplifier detects the change and sends an electrical signal to the control system.

The fiber itself contains no electronics, making it extremely durable and reliable in demanding industrial environments.

The system consists of:

• Photoelectric amplifier
• Fiber optic light guide
• Sensing tip
• Target object

Because only light travels through the fiber, photoelectric fiberoptics offer exceptional reliability while allowing the sensing electronics to remain protected.

Why Use Photoelectric Fiberoptics?

Industrial automation applications often require sensing in locations where standard sensors cannot be installed.

Photoelectric fiberoptics solve this problem by offering:

Compact Size

Fiber optic sensing tips fit into extremely tight spaces.

High Accuracy

Detect very small parts with exceptional repeatability.

Remote Electronics

Keep amplifiers away from harsh environments.

Fast Response

Ideal for high-speed manufacturing.

Flexible Installation

Route fibers around machinery without sacrificing performance.

Long Service Life

Glass fiberoptics resist heat, abrasion, and harsh operating conditions.

Glass Fiberoptics vs. Plastic Fiberoptics

Choosing the proper fiber depends on your application.

Glass Fiberoptics

Ideal for:

• High temperatures
• Industrial automation
• Abrasion resistance
• Long service life
• Chemical resistance

Best suited for manufacturing environments.

Plastic Fiberoptics

Ideal for:

• Lower-cost applications
• Shorter sensing distances
• General-purpose automation
• Less demanding environments

For most industrial applications, glass fiberoptics deliver superior durability and performance.

Common Applications

Photoelectric fiberoptics are found throughout modern manufacturing.

Packaging Equipment

• Bottle detection
• Carton verification
• Label positioning
• Fill level inspection

Medical Device Manufacturing

• Small component detection
• Assembly verification
• Precision positioning

Electronics Manufacturing

• PCB inspection
• Connector detection
• Semiconductor handling

Food & Beverage

• Hygienic sensing
• Package verification
• Product counting

Automotive

• Assembly confirmation
• Robot guidance
• Part detection

Pharmaceutical

• Vial inspection
• Packaging validation
• Presence detection

Robotics

• End-of-arm tooling
• Part positioning
• Pick-and-place operations

Advantages of Custom Photoelectric Fiberoptics

Every machine is different.

That's why many OEMs specify custom fiberoptic assemblies.

Custom options include:

• Length
• Diameter
• End configurations
• Stainless steel probes
• Protective armor
• Special connectors
• High-flex construction
• High-temperature designs

Custom fiberoptics help maximize machine performance while simplifying installation.

Selecting the Right Photoelectric Fiberoptic

When choosing an industrial fiberoptic assembly, consider:

Environment

• Temperature
• Moisture
• Chemicals
• Washdown
• Abrasion

Object Being Detected

• Size
• Color
• Transparency
• Reflectivity

Mounting Space

• Available clearance
• Bend radius
• Routing path

Sensor Compatibility

Ensure compatibility with your photoelectric amplifier.

Required Distance

Determine the required sensing range before selecting the fiber.

Why Manufacturers Choose FLA Fibers

For more than four decades, FLA Fibers has manufactured high-quality photoelectric fiberoptics in the USA.

Customers choose FLA Fibers because of:

• U.S. manufacturing
• Factory-direct pricing
• Fast lead times
• Custom engineering
• High-quality glass fiberoptics
• Responsive customer support
• Decades of automation expertise

Whether you need one replacement assembly or thousands of custom fiberoptic light guides, FLA Fibers delivers solutions built for industrial automation.

Frequently Asked Questions

What are photoelectric fiberoptics?

Photoelectric fiberoptics are optical light guides that transmit light between a photoelectric amplifier and the sensing location.

What is the difference between a photoelectric sensor and a fiber optic sensor?

The amplifier contains the electronics, while the fiber optic cable delivers the light to locations where traditional sensors cannot fit.

Are glass fiberoptics better than plastic?

For industrial automation, glass fiberoptics generally provide greater durability, higher temperature resistance, and longer service life.

Can photoelectric fiberoptics be customized?

Yes. FLA Fibers manufactures custom lengths, diameters, connectors, protective sheathing, and specialized sensing tips.

What industries use industrial fiberoptics?

Packaging, medical devices, food processing, robotics, electronics manufacturing, automotive, pharmaceutical production, and many other industrial automation applications.

Partner with FLA Fibers

Whether you're designing new automation equipment or replacing an existing fiber optic assembly, FLA Fibers can help you find the right solution.

Our team works directly with OEMs, system integrators, distributors, and machine builders to deliver high-quality photoelectric fiberoptics engineered for demanding industrial applications.

Need help selecting the right fiberoptic? Contact our engineering team today to discuss your application.