This compact 1064nm High Power In-line Optical Isolator -2W is made of Faraday, not TGG crystals, so the size is compact compared to TGG Isolator. But the insertion loss is higher than TGG isolator. It can be used from 300mW to 2W, but the higher the power, the higher the insertion loss. They are ideal for fiber laser and instrumentation applications.
This compact 1064nm High Power In-line Optical Isolator -2W is made of Faraday, not TGG crystals, so the size is compact compared to TGG Isolator. But the insertion loss is higher than TGG isolator. It can be used from 300mW to 2W, but the higher the power, the higher the insertion loss. They are ideal for fiber laser and instrumentation applications.
If you do not see a standard isolator that meets your needs, we welcome the opportunity to review your desired specification and quote a custom isolator. Requests for custom fiber pigtails, different wavelengths and handling power of operation or other specific needs will be readily addressed.
PARAMETERS | UNIT | VALUES |
Central Wavelength | nm | 1064 |
Operating Wavelength Range | nm | ±5 |
Typ. Peak Isolation | dB | 35 |
Min. Isolation in Band (at 25℃) | dB | 28 |
Typ. Insertion Loss (at 25℃) | dB | 1.7 |
Max. Insertion Loss (at 25℃,100mW) | dB | 2.0 |
Max. Insertion Loss (at 25℃,1W) | dB | 2.5 |
Max. Insertion Loss (at0~50℃,2W) | dB | 3.0 |
Max. PDL (for SM fiber) | dB | 0.15 |
Min. Extinction Ratio (for PM fiber) | dB | 18(Type B), 20(Type F) |
Min. Return Loss | dB | 50 |
Max. Power Handling (CW) | W | 1, 2 |
Max. Peak Power for ns Pulse | kW | 5, 10(for typical pulse application) |
Max. Tensile Load | N | 5 |
Fiber Type | – | SM: 1060-XP, 10/125; etc.
PM: PM980-XP or PM1060L; PM 10/125 DC |
Operating Temperature | °C | 0 ~ + 50 |
Storage Temperature | °C | -40 ~ +85 |
*Due to ongoing design improvements, the package size is subject to change. Please contact DK Photonics for confirmation.
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②
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③
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④
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⑤
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⑥
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Wavelength
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Optical Power
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Power Type
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Fiber Type
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Pigtails Diameter
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Fiber Length
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64:1064nm
80:1080nm
XX: Other
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01:1W
02:2W
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P: Pulsed
C: Continuous Wave
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XXX: fiber code
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25: bare fiber
90:900μm Loose Fiber
XX: Others
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08:0.8m
10:1.0m
XX: Other
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Description: Compact 1064nm High Power Polarization Maintaining Isolator, Fast axis blocked, Max.W power handling, <10kW Pulsed power, PM980-XP bare fiber,1.0m length fiber pigtails, without connector at all ports.
If you need to customize other specifications, please provide detailed description for your requirement.
Function
An optical isolator is a passive magneto-optic device that only allows light to travel in one direction. Isolators are used to protect a source from back reflections or signals that may occur after the isolator. Back reflections can damage a laser source or cause it to mode hop, amplitude modulate, or frequency shift. In high-power applications, back reflections can cause instabilities and power spikes.
An isolator’s function is based on the Faraday Effect. In 1842, Michael Faraday discovered that the plane of polarized light rotates while transmitting through glass (or other materials) that is exposed to a magnetic field. The direction of rotation is dependent on the direction of the magnetic field and not on the direction of light propagation; thus, the rotation is non-reciprocal. The amount of rotation β equals V x B x d, where V, B, and d are as defined below.
Figure 1.Schematic diagram of Faraday effect
Faraday Rotation
β = V x B x d