DK Photonics 1550 nm High-Power PM Fiber Isolator

Description

The 1550nm High Power PM In-line Optical Isolator from DK Photonics is engineered to deliver exceptional performance in demanding optical systems, particularly those requiring robust polarization maintenance and high power handling. Designed for use at the 1550nm wavelength, this isolator is an essential component for fiber laser systems, high-power fiber amplifiers, and advanced instrumentation setups. Its primary function is to ensure unidirectional light transmission, effectively blocking any back-reflected light that could destabilize or damage sensitive laser sources.

This isolator stands out for its low insertion loss and high isolation, ensuring minimal signal attenuation while providing superior protection against unwanted feedback. The device is built to handle high optical powers, making it suitable for both continuous wave (CW) and pulsed laser applications. Its polarization maintaining (PM) design ensures that the polarization state of the transmitted light remains unchanged, which is critical for applications where polarization integrity is paramount. Non-PM versions are also available, offering flexibility for a variety of system requirements.

DK Photonics offers customization options for fiber type, power handling (ranging from 5W up to 50W), and operational wavelength, allowing the isolator to be tailored to specific project needs. The component is constructed with high reliability and excellent temperature stability, making it suitable for both laboratory research and industrial environments. Its compact form factor facilitates easy integration into complex optical setups, while its rugged design ensures long-term performance even under challenging conditions.

Widely adopted in fiber laser systems, high-power amplifiers, and precision measurement instruments, the 1550nm High Power PM In-line Optical Isolator is a trusted solution for professionals seeking to enhance system stability and performance. Its ability to prevent feedback and maintain signal integrity makes it a critical asset in both research and production environments, supporting the advancement of photonic technologies across a range of industries.

Specifications

Type Of The Device:	Isolator
Operating Wavelength:	1550 nm
Max Power:	30 W
Min Isolation:	35 dB
Operating Wavelength Range:	±20 nm
Minimum Isolation (at 25℃):	28 dB
Typical Insertion Loss:	0.4 dB
Maximum Insertion Loss (at 25℃):	0.8 dB
Minimum Extinction Ratio:	18 dB (Type B), 20 dB (Type F)
Return Loss:	≥50 dB
Power Handling (CW):	10W, 20W, 30W (customizable)
Peak Power For Ns Pulse:	5 kW, 10 kW, 20 kW (typical applications)
Fiber Type:	PM1550-XP, PM-GDF-12/130-M, PLMA-GDF-25/300
Maximum Tensile Load:	550 N
Operating Temperature:	0 to +70 °C
Storage Temperature:	-40 to +85 °C

Got questions about specs? Use the inquiry form to ask.

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Features

Wavelength: Optimized for 1550nm operation, ideal for telecom and fiber laser applications.
High Power Handling: Supports up to 30W (customizable up to 50W), suitable for high-power fiber lasers and amplifiers.
Low Insertion Loss: Minimizes signal loss for maximum transmission efficiency.
High Isolation: Effectively blocks back-reflected light to protect sensitive laser sources and prevent feedback.
Polarization Maintaining (PM) & Non-PM Options: Available in both PM and non-PM configurations to suit diverse application needs.
Customizable Fiber Types: Compatible with a variety of fiber types and pigtail options for tailored integration.
Excellent Temperature Stability: Maintains performance across a wide temperature range for reliable operation in demanding environments.
High Reliability & Environmental Stability: Robust design ensures long-term durability and consistent performance.
Compact Package: Space-saving design for easy integration into fiber optic systems.
Flexible Power Conditions: Supports both CW (continuous wave) and pulsed operation; customizable for specific power and pulse requirements.
High Return Loss: Reduces unwanted reflections, enhancing system stability.
Application Versatility: Ideal for high power fiber lasers, fiber amplifiers, instrumentation, test and measurement, and research labs.
Custom Solutions Available: DK Photonics offers custom isolator designs for unique wavelength, power, or fiber requirements.
Quality Assurance: Manufactured with strict quality control for consistent, high-performance results.

Applications

High Power Fiber Lasers
Essential for protecting laser sources from back reflections, ensuring stable and reliable operation in industrial, medical, and scientific laser systems.
High Power Fiber Amplifiers
Used to prevent feedback into the amplifier, enhancing performance and longevity in high-power optical amplification setups.
Optical Communication Systems
Maintains signal integrity by blocking unwanted reflected light, improving data transmission quality in long-haul and metro fiber networks.
Test and Measurement Equipment
Provides isolation in optical test benches and instrumentation, ensuring accurate and repeatable measurements by eliminating feedback noise.
Fiber Amplifier Laboratory Research
Enables precise experimental setups by preventing destabilizing reflections in research on fiber amplifiers and related photonic devices.
Optical Sensing Systems
Enhances sensitivity and accuracy in distributed fiber optic sensors by minimizing interference from reflected signals.
Quantum Optics and Quantum Communication
Protects delicate quantum states in polarization-maintaining fiber systems, crucial for quantum key distribution and quantum computing experiments.
Coherent Optical Systems
Maintains polarization and suppresses back reflections in coherent detection and transmission systems, improving overall system performance.
Medical Laser Systems
Ensures safe and stable operation of high-power medical lasers by isolating the source from potentially damaging reflected light.
Optical Component Testing and Characterization
Used in the evaluation of optical components to prevent feedback that could affect test results or damage sensitive devices.
Spectroscopy
Improves measurement accuracy in high-power fiber-coupled spectroscopy setups by eliminating unwanted optical feedback.
Nonlinear Optics Experiments
Protects pump lasers and maintains polarization in experiments involving nonlinear optical processes such as frequency conversion and supercontinuum generation.

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Frequently Asked Questions

What is a 1550nm High Power PM In-line Optical Isolator?

A 1550nm High Power PM In-line Optical Isolator is a fiber optic component designed to allow light to pass in only one direction while maintaining the polarization state of the light. It is optimized for high power handling, low insertion loss, and high isolation, making it ideal for use in high power fiber lasers, amplifiers, and other photonic systems operating at 1550nm.

What are the main applications of the 1550nm High Power PM In-line Optical Isolator?

This isolator is widely used in high power fiber laser systems, high power fiber amplifiers, instrumentation, test and measurement setups, and fiber amplifier laboratory research. Its primary function is to prevent reflected light from re-entering the source, thereby protecting sensitive optical components and improving system stability.

What power levels can the DK Photonics 1550nm High Power PM In-line Optical Isolator handle?

The isolator can be customized to handle various power levels, including 5W, 10W, 20W, 30W, and up to 50W. For higher power applications, splicing fibers is recommended instead of using connectors.

What is the difference between PM and non-PM types of optical isolators?

PM (Polarization Maintaining) isolators maintain the polarization state of the transmitted light, which is crucial for applications requiring stable polarization, such as in fiber lasers and amplifiers. Non-PM isolators do not maintain polarization and are suitable for applications where polarization is not critical.

Can the 1550nm High Power PM In-line Optical Isolator be customized?

Yes, DK Photonics offers customization options for fiber type, power handling, wavelength, and other specifications. Customers can request custom fiber pigtails, different operating wavelengths, and specific power handling requirements to suit their application needs.

How does adding connectors affect the performance of the isolator?

Adding connectors increases the insertion loss by 0.3 dB, reduces the return loss by 5 dB, and lowers the extinction ratio by 2 dB for PM types. Additionally, the maximum pass optical power with connectors is limited to 2W, so higher power applications require direct fiber splicing.

What should I consider when using the isolator in pulsed laser applications?

For pulsed laser applications, it is important to inform DK Photonics of the pulse energy and peak power requirements. This ensures the isolator is properly specified and can safely handle the specific demands of pulsed operation.

Got more questions? Use the inquiry form to ask the supplier directly.