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Description

The 780/808nm High Power Polarization Independent Isolator from DK Photonics is a premium optical component engineered to deliver reliable performance in demanding photonics applications. Designed for use in fiber laser systems and fiber optic sensing, this isolator effectively prevents unwanted back reflections and feedback, ensuring stable operation and protecting sensitive laser sources. Its polarization-independent design makes it highly versatile, accommodating both polarized and unpolarized light without compromising on performance.

This isolator stands out for its exceptional optical characteristics, including low insertion loss and high isolation, which are critical for maintaining signal integrity and maximizing system efficiency. With a typical peak isolation of 35 dB and minimal insertion loss, it ensures that forward-propagating light passes through efficiently while blocking reflected signals. The device is capable of handling high optical powers—up to 10 kW peak and up to 10 W continuous wave—making it suitable for high-power laser applications in both industrial and research settings.

Built with robust materials and advanced manufacturing techniques, the 780/808nm High Power Polarization Independent Isolator offers excellent environmental stability and reliability. It operates effectively across a wide temperature range, making it suitable for integration into systems exposed to varying environmental conditions. The isolator is compatible with Hi 780 fiber or can be customized to meet specific fiber requirements, ensuring seamless integration into existing setups. Its compact form factor and customizable fiber lengths further enhance its adaptability for a variety of optical architectures.

Whether deployed in fiber laser assemblies, precision instrumentation, or advanced fiber optic sensor networks, this isolator provides the performance and durability needed for modern photonics applications. Its combination of high isolation, low loss, and robust power handling makes it a preferred choice for engineers and system integrators seeking to optimize the reliability and efficiency of their optical systems.

780nm/808nm High Power Polarization Independent Isolator

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Specifications

Type Of The Device: Isolator
Operating Wavelength: 780 nm
Max Power: 10 W
Min Isolation: 30 dB
Central Wavelength: 780/808 nm
Operating Wavelength Range: ±5 nm
Typical Peak Isolation: 35 dB
Minimum Isolation In Band (at 25℃): 30 dB
Typical Insertion Loss: 0.80 dB
Maximum Insertion Loss (at 25℃): 1.00 dB
Maximum Polarization Dependent Loss: 0.15 dB
Minimum Return Loss: 50 dB
Maximum Optical Peak Power: 10 kW
Maximum Optical Power (CW): 1, 3, 5, 10 W or Specify
Fiber Type: Hi 780 fiber or Specify
Tensile Load: 5 N
Operation Temperature: 0 ~ +50 ℃
Storage Temperature Range: -20 ~ +75 ℃

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Features

  • High Isolation: Provides typical peak isolation of 35 dB and minimum isolation of 30 dB, ensuring superior suppression of back reflections and unwanted signals.
  • Low Insertion Loss: Typical insertion loss of 0.80 dB (maximum 1.00 dB), minimizing signal attenuation for optimal system performance.
  • Polarization Independent: Maintains performance regardless of input polarization, ideal for applications where polarization state is variable or uncontrolled.
  • High Power Handling: Supports maximum optical peak power up to 10 kW and continuous wave (CW) power options of 1W, 3W, 5W, 10W, or custom specifications.
  • Excellent Return Loss: Minimum return loss of 50 dB, reducing back reflections and enhancing system stability.
  • Low Polarization Dependent Loss (PDL): Maximum PDL of 0.15 dB, ensuring consistent performance across all polarization states.
  • Wide Operating Wavelength Range: Central wavelengths at 780 nm or 808 nm with ±5 nm operating range, suitable for a variety of laser and instrumentation applications.
  • Customizable Fiber Options: Compatible with Hi 780 fiber or customer-specified fiber types, with selectable fiber diameter and length.
  • Robust Environmental Stability: Designed for operation in temperatures from 0°C to +50°C and storage from -20°C to +75°C, ensuring reliability in demanding environments.
  • Flexible Packaging: Available in circular or quadrate package types, with customizable connector and fiber length options to fit diverse system requirements.
  • High Reliability: Engineered for long-term stability and consistent performance in fiber laser and fiber sensor systems.
  • Easy Integration: Compact design and multiple configuration options facilitate seamless integration into new or existing optical setups.

Applications

  • Fiber Laser Systems
    Ideal for protecting laser sources from back reflections and feedback, ensuring stable operation and improved performance in high-power fiber laser setups.
  • Fiber Optic Sensing
    Used in distributed and point fiber optic sensor systems for industrial, environmental, and structural health monitoring, where high isolation and low insertion loss are critical.
  • Optical Instrumentation
    Suitable for integration in optical test and measurement equipment, such as optical spectrum analyzers and power meters, to prevent signal degradation from unwanted reflections.
  • Medical Laser Systems
    Applied in medical and biomedical laser devices, including surgical and diagnostic equipment, to maintain signal integrity and protect sensitive components.
  • Quantum Optics Experiments
    Essential for quantum communication and quantum computing setups, where polarization-independent isolation is required to preserve quantum states and minimize noise.
  • Optical Communication Networks
    Used in short-wavelength optical communication links and free-space optical communication systems to enhance signal quality and system reliability.
  • Research and Development
    Widely used in R&D laboratories for photonics and optical engineering, enabling flexible experimentation with high-power and polarization-insensitive configurations.
  • Laser Pumping Applications
    Suitable for use in laser diode pumping setups, particularly at 780nm and 808nm, to prevent back-reflected light from damaging pump diodes and affecting efficiency.
  • Optical Amplifiers
    Integrated into pre-amplifier and booster amplifier modules to block backward-propagating signals and optimize amplifier performance.
  • Spectroscopy Systems
    Used in high-resolution and high-sensitivity spectroscopy setups to eliminate interference from reflected light and enhance measurement accuracy.

Frequently Asked Questions

What is a 780/808nm High Power Polarization Independent Isolator?
A 780/808nm High Power Polarization Independent Isolator is an optical passive component designed to allow light to pass in one direction while blocking it in the reverse direction, regardless of the light's polarization. It is optimized for high power handling at 780nm or 808nm wavelengths, making it ideal for fiber laser and fiber sensor applications.
What are the key features of the DK Photonics 780/808nm High Power Isolator?
The key features include high isolation (up to 35dB), low insertion loss (as low as 0.80dB), high return loss (minimum 50dB), excellent environmental stability, high power handling capability (up to 10kW peak power), and polarization independence.
What applications are suitable for this polarization independent isolator?
This isolator is ideal for use in fiber lasers, fiber sensors, and various optical instrumentation where high power handling and polarization independence are required, especially at 780nm or 808nm wavelengths.
How much optical power can the DK Photonics 780/808nm isolator handle?
The isolator can handle a maximum optical peak power of up to 10kW and continuous wave (CW) optical power options of 1W, 3W, 5W, 10W, or as specified by the customer.
What fiber types and connector options are available for this isolator?
The standard fiber type is Hi 780 fiber, but other fiber types can be specified upon request. Connector options include none or custom connectors as specified by the customer.
What is the operating temperature range for the DK Photonics 780/808nm isolator?
The operating temperature range is from 0°C to +50°C, and the storage temperature range is from -20°C to +75°C, ensuring reliable performance in various environments.
How do I specify custom parameters when ordering this isolator?
You can specify custom parameters such as wavelength, optical power, package dimensions, fiber diameter, fiber length, and connector type using the order information code provided in the datasheet. For further customization, you can contact DK Photonics directly.

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

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