Low Insertion Loss 532nm/633nm In-line Isolator

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Low Insertion Loss 532nm/633nm In-line Isolator

Kerns Technology's 532nm/633nm Low Insertion Loss In-line Isolator is a high-performance passive optical component designed for unidirectional light transmission. Key features include 1.5dB typical insertion loss, 23dB minimum isolation, and support for 0.5W-2W average power (up to 2kW peak power).
Optimized for fiber lasers, MOPA fiber lasers, test instruments, and pump amplifiers, it protects core devices from reverse light interference while offering flexible customization (fiber type, connectors, length). Its compact design (40×28×26mm) and wide operating temperature range (-10°C~+50°C) make it a reliable solution for industrial, laboratory, and communication optical systems.

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Product Description

Product Description

The 532nm/633nm Low Insertion Loss In-line Isolator from Kerns Technology is a high-performance passive optical component engineered for unidirectional light transmission. It effectively blocks reverse light reflection and scattering to protect critical optical devices (e.g., lasers, amplifiers) from damage, ensuring consistent system operation.

Constructed with premium optical materials and precision packaging, this isolator delivers low insertion loss, high isolation, and excellent environmental stability. It supports a range of power ratings (0.5W-2W average power; up to 2kW peak power for 5ns pulses) and offers customizable options (fiber type, connectors, fiber length) to align with diverse application requirements. Its compact form factor facilitates seamless integration into various optical systems.

Product Specification Table

Parameter	Unit	Value
Center Wavelength	nm	532, 633
Operating Wavelength Range	nm	±10
Minimum Isolation (@23°C)	dB	23
Typical Insertion Loss (@23°C)	dB	1.5
Maximum Insertion Loss (@23°C)	dB	1.8
Maximum Extinction Ratio (@23°C, PM Fiber Type)	dB	18
Maximum Polarization Dependent Loss (@23°C, SM Fiber Type)	dB	0.2
Minimum Return Loss (Input/Output)	dB	45
Maximum Average Power	W	0.5/1/2
Maximum 5ns Pulse Peak Power	kW	2
Maximum Tensile Load	N	5
Package Dimensions	mm	40×28×26
Operating Temperature	°C	-10~+50
Storage Temperature	°C	0~+60

Product Features

Ultra-Low Insertion Loss: Typical 1.5dB, maximum 1.8dB (@23°C) minimizes optical signal attenuation.
High Isolation & Extinction Ratio: Minimum 23dB isolation and 18dB extinction ratio (PM fiber type) effectively suppress reverse light interference.
Low Polarization Dependent Loss: Maximum 0.2dB (SM fiber type) ensures consistent performance across different polarization states.
Robust Power Tolerance: Supports 0.5W-2W average power and up to 2kW peak power (5ns pulse) for versatile use cases.
Excellent Stability: Operates reliably in -10°C~+50°C (storage temperature: 0°C~+60°C) with high mechanical durability (maximum tensile load: 5N).
Compact & Customizable: Standard 40×28×26mm package (or 900μm loose tube option) plus flexible customization (fiber type, connectors, length) to fit specific system layouts.

Product Applications

This in-line isolator is widely applied in:

Fiber Lasers: Protects laser diodes from reverse light damage to enhance output stability.
MOPA Fiber Lasers: Ensures consistent performance in master oscillator power amplifier systems.
Optical Test Instruments: Maintains signal accuracy in precision optical measurement setups.
Pump Fiber Amplifiers: Isolates reverse noise to improve amplification efficiency.
Precision Optical Systems: Used in optical communication, industrial laser processing, and laboratory R&D.

FAQs

Q1: What is the primary function of this in-line isolator?A1: It enables unidirectional light transmission, blocking reverse light reflection and scattering to protect key devices (e.g., fiber lasers, test instruments) from potential damage.

Q2: What power ratings does this isolator support?A2: It handles 0.5W-2W average power and up to 2kW peak power (for 5ns pulses), suitable for various optical system requirements.

Q3: Can I customize the fiber type and length?A3: Yes. We offer PM fiber (e.g., PM630, PM460) and SM (Non-PM) fiber options, as well as custom fiber lengths (e.g., 0.5m, 1m) based on your needs.

Q4: What is the typical insertion loss of this product?A4: At 23°C, the typical insertion loss is 1.5dB (maximum 1.8dB), ensuring minimal signal loss for your system.

Isolator Low Insertion Loss Isolator In-line Isolator

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Shenzhen Kerns Technology Co., Ltd. specializes in fiber optic components such as fiber couplers, beam combiners, and optical circulators, serving industries like telecommunications, data centers, and medical devices. We offer customized solutions tailored to specific needs and provide professional laser equipment repair services, including remote troubleshooting and factory repairs. Kerns is dedicated to delivering high-quality products and reliable support to ensure optimal system performance.