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首页 Optical Accessories Optical Isolators Near-IR optical isolator Free space isolator (355-4500nm customizable) 980nm Polarization-Independent Free-Space Isolator

    • 980nm Polarization-Independent Free-Space Isolator

    Free-space isolators can be divided into two types: polarization-dependent and polarization-independent. The polarization-dependent isolators, also known as Faraday isolators, are mainly composed of three parts: a polarizer, a Faraday rotator, and an analyzer (set at 45° to the polarizer axis). Polarization-independent isolators typically consist of a birefringent crystal (or polarizer), a Faraday rotator, and a half-wave plate. These are usually used in fiber lasers to effectively maintain the stability of the optical system. Made with high-quality magneto-optic crystals, these isolators offer low absorption, high extinction ratio, and low loss, ensuring excellent and reliable performance. The peak isolation can reach up to 45dB, with an aperture size up to 45mm. The typical transmission rate can reach 95%, and all products are customizable according to customer requirements

    产品特点

    产品货号A80150640

    应用领域Laser Precision Processing Laser Sensing Systems Ultrafast Laser Systems OCT Systems Laser Detection

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    • Polarization state reference

    All models of free-space isolators will non-reciprocally rotate the polarization state by 45° along the polarization plane.

    An additional 1/2 waveplate can be provided upon request to alter the output polarization state.

    i.jpg 


    Polarization-dependent isolators beam selection

    Forward transmission polarization beam Pi

    Reverse transmission polarization beam Pr




    A04 (Aperture ≤ 5mm) package

    Polarization-Dependent Isolator Model：HPISO-t-p-a-λ-w-h

    Type(t)

    Power(p)

    Aperture(a)

    Wavelength(λ)

    Waveplate(w)

    Package(h)

    FS (Standard)

    DS (Dual-stage)

    AB (Adjustable bandwidth)

    1W

    5W

    30W

    50 W

    100 W


    500W
    ...

    2 mm

    3 mm

    4 mm

    5 mm

    8 mm

    10 mm

    12 mm

    15 mm

    25 mm

    45 mm

    ...

    550-880nm*

    355 nm

    405 nm

    532 nm

    633 nm

    780 nm

    850 nm

    980 nm

    1030 nm

    C
    (Contain)

    N
    (Not Contain)

    A03*

    A04  

    A06  

    A08  

    A23  

    A31

    ...

    1064 nm

    1319 nm

    1550 nm

    2000 nm

    4500 nm

    ...


    *Only applicable to the adjustable bandwidth type

    **500 W is only applicable under the 1030/1064 nm wavelength condition.

     

    Typical indicator reference

    Aperture Size

    Damage Threshold

    Power Handling

    Transmission

    Peak Isolation

    2~15 mm

    3J/cm² at 10ns @(532~980)nm

    50 W

    >93%*, ＞90%**

    >33 dB*, >45 dB**

    2~10 mm

    10J/cm² at 10ns @(1319~2000)nm

    50 W

    >93%

    >33 dB

    15~25 mm

    10J/cm² at 10ns @1030/1064nm

    500W

    >93%

    >33 dB

    The operating temperature range for the product is 10°C to 30°C.

    * Only applicable to conventional isolators.

    **Only applicable to dual-stage isolators.


    Packaging Dimension Diagram (mm)

    A04 (Aperture≤5mm)

    1.4.png 

    A46 (Compact, 1064nm)

    1.5.png


    Polarization-Insensitive Model：HPISO-t-p-a-λ-w-h

    Type(t)

    Power(p)

    Aperture(a)

    Wavelength(λ)

    Wavelength(w)

    Waveplate(h)

    PI

    (Polarization-Insensitive)

    50 W

    100 W

    500 W

    1000 W

    ...

    1.5 mm

    5 mm

    8 mm

    ...

    980 nm

    1030 nm

    1064 nm

    ...

    C
    (Contain)

    N
    (Not Contain)

    A16 A29 A38 A41

    ...

     

    Typical Specifications Reference

    Aperture

    Damage Threshold

    Power Handling

    Transmission

    Peak Isolation

    1.5 mm

    10J/cm² at 10ns @(980~1064)nm

    50 W

    >93%

    >33 dB

    5 mm

    10J/cm² at 10ns @(980~1064)nm

    100 W

    >93%

    >33 dB

    8 mm

    10J/cm² at 10ns @(980~1064)nm

    1000 W

    >93%

    >33 dB

    * The operating temperature range for the product is 10℃-30℃

     

     1.6.png


      
      

    Packaging Dimension Diagram (mm)

    A16 (Aperture≤5mm)

    1.7.png

     

    A41(Aperture≤8，water-cool)

    1.8.png 

     

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