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  • Fiber - Free Space Isolators

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     Fiber-Free Space Isolators can be divided into two categories according to its output mode: non-expanded-beam isolator and expanded-beam isolator.
    The non-expanded-beam isolator consists of birefringent crystal, Faraday rotator, half-wave plate or polarizer and collimator. It's usually used in the fiber laser system to maintain the stability of optical system effectively. 
    The expanded-beam isolator consists of collimator, birefringent crystal, Faraday rotator, wave plate or optical rotating mirror and beam expanding mirror. The output beam is characterized by larger spot diameter and small divergence angle.
    CASTECH utilizes the high-quality crystals and optical components for the production of Fiber-Free Space Isolators to deliver great performance. The power is ranging from 300 mW to 200 W. The products are featured with high isolation(35 dB for single-stage series and 50 dB for dual-stage series), low insertion loss, excellent environmental stability and free of thermal lens effect. The beam expanders facilitate customers replacing systems with superior beam quality of desired size spots.

     

    Applications:

    ●  Fabrication of fiber laser  

    ● Optical fiber sensor

     

     

     

     

    Product Number

    Type

    (t)

    Power

    (p)

    Fiber Type

    (f)

    Wavelength

    (λ)

    Pigtail Diameter

    (e)

    Beam Diameter

    (b)

    Stage

    (s)

    Spot Shape

    (d)

    Housing

    (h)

    HPISO-t-p-f-λ-e-b-s-d-h

    WLP

    (With Laser Pointer)

    ≤200 W

    1

    (10/125SCF)

    2

    (20/130DCF)

    3

    (12/250SCF)

    4

    (20/250DCF)

    5

    (30/250DCF)

    6

    (PM 980)

    980 nm

    1030 nm

    1064 nm

    2000 nm

    ...

    C

    (6 mm Armored Cable)

    E

    (8 mm Armored Cable)

    L

    (900 μm Loose Tube)

     

    5

    6

    7

    8

    9

    10

    11

    S

    (Single)

    G

    (Gauss)

    F

    (Flat-top)

    A09

    ...

    EB

    (Expanded Beam)

    A02

    A05

    ...

    D

    (Dual)

    A11

    ...

    FF

    (Non-Expanded Beam)

    S

    (Single)

    A08

    ...

    D

    (Dual)

    /

     

    HPISO-t-p-f-λ-e-b-s-d-h
    Type(t)
    Power(p)
    Fiber Type(f)
    Wavelength(λ)
    Pigtail Diameter(e)
    Beam Diameter(b)
    Stage(s)
    Spot Shape(d)
    Housing(h)
    EB
    20
    PM Fiber
    1064
    C
    7
    S
     
    A01
    EB
    50
    Non-PM Fiber
    1064
    C
    7
    S
     
    A02
    EB
    50
    Non-PM Fiber
    1064
    C
    7
    S
     
    A03
    EB
    70
    Non-PM Fiber
    1064
    C
    7
    S
     
    A04
    EB
    100
    Non-PM Fiber
    1064
    C
    7
    S
     
    A05
    EB
    200
    Non-PM Fiber
    1064
    C
    7
    S
     
    A06
    WLP
    150
    Non-PM Fiber
    1064
    C
    7
    S
     
    A07
    FF
    70
    Non-PM Fiber
    1064
    C
    /
    S
     
    A08
    WLP
    50
    Non-PM Fiber
    1064
    C
    7
    S
     
    A09
    EB
    50
    Non-PM Fiber
    1064
    C
    7
    D
     
    A10
    EB
    100
    Non-PM Fiber
    1064
    C
    7
    D
     
    A11
    FF
    100
    Non-PM Fiber
    1064
    C
    /
    D
     
    A12
    EB
    30
    Non-PM Fiber
    1064
    C
    7
    S
     
    A13
    FF
    1
    PM Fiber
    1064
    1
    S
     
    A14
    EB
    200
    非PM Fiber
    1064
    C
    9
    S
     
    A15
    EB
    200
    PM Fiber
    1064
    E
    7
    S
     
    A16
    EB
    20
    Non-PM Fiber
    1064
    C
    8
    S
     
    A17
    EB
    20
    Non-PM Fiber
    1064
    C
    7
    S
     
    A18
    EB
    200
    Non-PM Fiber
    1064
    C
    7
    D
     
    A19
    EB
    100
    Non-PM Fiber
    1064
    C
    7
    S
     
    A20
    EB
    50
    Non-PM Fiber
    1064
    C
    7
    S
     
    A21
    FF
    70
    Non-PM Fiber
    1064
    C
    /
    S
     
    A22
    FF
    70
    Non-PM Fiber
    1064
    C
    /
    S
     
    A23
    WLP
    100
    Non-PM Fiber
    1064
    C
    7
    S
     
    A24
    EB
    20
    Non-PM Fiber
    1064
    C
    7
    S
    G
    A25
    EB
    20
    Non-PM Fiber
    1064
    C
    7
    S
    G
    A26
    FF
    20
    Non-PM Fiber
    1064
    C
    /
    S
     
    A27
    FF
    20
    Non-PM Fiber
    1064
    C
    /
    S
     
    A28
    EB
    100
    PM Fiber
    1064
    C
    7
    S
     
    A29
    EB
    100
    PM Fiber
    1064
    C
    7
    D
     
    A30
    FF
    1
    PM Fiber
    1064
    L
    1
    S
    G
    A31
    EB
    500
    Non-PM Fiber
    1064
    C
    7
    S
     
    A32
    WLP
    20
    Non-PM Fiber
    1064
    C
    7
    S
    G
    A33
    FF
    20
    Non-PM Fiber
    1064
    C
    /
    S
     
    A34
    FF
    500
    Non-PM Fiber
    1064
    L
    /
    S
    G
    A36
    WLP
    50
    Non-PM Fiber
    1064
    C
    7
    S
     
    A37
    FF
    50
    PM Fiber
    1064
    C
    5
    S
    G
    A38
    FF
    200
    PM Fiber
    1064
    C
    5
    S
    G
    A39
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