ELECTRO-OPTICS TECHNOLOGY 04-00291 Optical Isolator 1030-1080

( Brand: Electro-optics Technology ), ( Manufacturer Part Number: 04-00291 ), ( Unit Type: Unit ), ( Country Of Origin: United States )

Review ELECTRO OPTICS TECHNOLOGY 4mm Optical Isolator Nm

The 04-00291 Optical Isolator, manufactured by Thorlabs, is an essential component in various electro-optic applications, particularly those involving optical systems that require galvanic isolation between input and output. This isolator is specifically designed to operate within the wavelength range of 1030-1080 nm.

The 04-00291 optical isolator is a three-port device, with two input/output ports (Isolator In and Isolator Out) and a reference port, which is used for connection to an external magnetic field source. The isolator employs a single-mode fiber design, ensuring minimal signal loss and maintaining the desired single-mode operation.

The core functionality of the 04-00291 optical isolator lies in its ability to provide galvanic isolation. This feature prevents electrical currents from flowing between the input and output of the isolator, eliminating the risk of electrical interference and ensuring the signal integrity in your optical system.

The device utilizes a magneto-optic Technology Sandwich (MOTS) design, which consists of a stack of alternating layers of magneto-optic crystals and polarizing materials. When a magnetic field is applied to the reference port, it creates a rotating magnetic field inside the isolator. This field causes the polarization of the input light to rotate as it passes through the isolator, effectively preventing any reflected light from exiting the output port.

The 04-00291 optical isolator offers a high isolation performance, typically achieving an isolation better than 50 dB. This ensures that any unwanted reflections or electrical interference are effectively suppressed, resulting in a clean output signal.

Additionally, the isolator features a compact, rugged design that ensures reliable operation in various environments. The device operates over a wide temperature range (-10 C to 60 C), making it suitable for use in various applications.

In summary, the 04-00291 Optical Isolator from Thorlabs is a high-performance, single-mode isolator specifically designed for use within the 1030-1080 nm wavelength range. Its ability to provide galvanic isolation, compact design, and wide temperature range make it an indispensable component for various electro-optic applications.

An electro-optic optical isolator is an essential component in various optical communication systems and experimental setups. The 04-00291 model from Thorlabs, which operates within the 1030-1080 nm wavelength range, is a popular choice due to its high performance and reliability. In this response, we will discuss the pros and cons of buying this optical isolator to help you make an informed decision.

1. High Isolation: The primary function of an optical isolator is to isolate optical signals from backreflections, which can cause signal distortion and degrade system performance. The 04-00291 optical isolator provides superior isolation, ensuring that the signal remains undistorted and stable.

2. Low Insertion Loss: This optical isolator has a low insertion loss, meaning that only a small fraction of the input signal power is lost as it passes through the isolator. A low insertion loss is desirable, as it maximizes the amount of usable signal power.

3. Polarization-Independent: The 04-00291 optical isolator is polarization-independent, meaning that it can handle signals with any polarization state without affecting the isolation performance. This feature is particularly important in applications where the polarization state may vary.

1. Cost: Optical isolators, especially high-performance models like the 04-00291, can be relatively expensive compared to other optical components. This cost may be a limiting factor for some applications or budgets.

2. Size: The 04-00291 optical isolator is larger than some other isolator models, which may require more space in the optical setup or system. This larger size may be a concern in applications where space is limited.

The Thorlabs 04-00291 optical isolator is a high-performance component suitable for applications requiring superior isolation, low insertion loss, and polarization independence within the 1030-1080 nm wavelength range. Although it may have a higher cost and larger size compared to some other isolator models, its benefits often outweigh the drawbacks, making it a valuable investment for many optical communication and experimental setups.

If your application requires high isolation, low insertion loss, and polarization independence within the 1030-1080 nm wavelength range, the Thorlabs 04-00291 optical isolator is a strong recommendation. It may be a more significant investment upfront, but its superior performance will contribute to the overall success of your project.

Details:

part #: 0400291 prices

• $1800.00-$5000.00

specifications lablaserphotonicszo:

• brand: Electro-optics Technology
• mpn: 04-00291
• unit type: Unit
• country of origin: United States

general lablaserphotonicszo:

• Medical Lab Equipment, Devices > Lab Lasers > Diode Lasers
• condition: Used

returns lablaserphotonicszo:

• policy: No Returns

shipping lablaserphotonicszo:

• type: Fixed
• service: USPS Priority Mail Small Flat Rate Box
• carrier: USPS
• class: Expedited
• transit: 5-11 Days
• cost: $0.00

offer lablaserphotonicszo:

• sold: 0
• options: Ship-to-home
• best offers: True
• quantity: 1
• started: January 23, 2026
• availability: In Stock

seller lablaserphotonicszo:

• city: Los Gatos, California
• # reviews: 148
• rating: 100.0%

payments lablaserphotonicszo:

• credit card: Discover
• wallet: Paypal
• other

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