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    • Free Space Isolators

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    Product description:

    Free space isolators are divided into two categories as polarization dependent isolator and polarization independent isolator.

    The polarization dependent isolator, or Faraday isolator consists of three major parts which are input polarizer (polarized vertically), Faraday Rotator, and output polarizer (aligned at 45°relative to the input polarizer).

    The polarization independent isolator consists of three main components, which are birefringent beam displacer (polarizer), Faraday Rotator, half-wave plate. It’s usually used in the fiber laser system and to maintain the stability of optical system effectively.

    CASTECH utilizes high quality crystals with low absorption and high extinction ratios, and polarizers with low transmission losses to achieve outstanding performance. Customized Free space isolators are available with peak isolation up to 45dB, max transmission above 95%, and aperture up to 45mm.

     

    Applications:

    ● Laser precision machining

    ● Laser sensing system

    ● Ultrafast laser system

    ● OCT system

    ● Laser detection etc

     

    Iintroduction:

      UV VIS NIR IR
    Center Wavelength 355 405-850 980,1030,1064 1319,1342,1550,2000
    Operating Wavelength Range ≥±10nm ≥±10nm ≥±15nm ≥±10nm
    Peak Transmission >93 >90 >93 >90
    Peak Isolation >35 >35 >35 >35
    M2 Degradation <10% <10% <10% <10%
    Clear Aperture 2,3,5mm or others 2,3,5mm or others 2,3,5,15,25mmor others 2,3,5mm or others
    Optical Power(Average) 1,5,10W Can be customized 10,30,50 Can be customized 10,30,50,100W Can be customized 10,30,50 Can be customized
    Damage Threshold 3.5J/cm2 @ 10ns 3.5J/cm2 @ 10ns 10J/cm2 @ 10ns 5J/cm2 @ 10ns
    Storage Temperature Range -20-70℃
    Tunable Temperature Range 10-30℃

     

    HPISO-t-p-a-λ-w-h
    Type(t) Power(p) Aperture(a) Wavelength(λ) Wave Plate(w) Housing(h)
    PI 50 ≥1.5 1030/1064 N A01
    PI 50 <1.5 1030/1064 N A02
    AB 50 10 550-800 C A03
    FS 50 ≤5 1030/1064 N A04
    FS 50 ≤5 1030/1064 C A05
    FS 50 8,10 1030/1064 N A06
    FS 50 8,10 1030/1064 C A07
    FS 50 12 1030/1064 N A08
    FS 50 12 1030/1064 C A09
    FS 30 3 532-780,1319 N A10
    FS 1 2 1064 N A11
    FS 50 5 2000 N A12
    FS 100 3 1064 N A13
    DS 5 2 1064 N A14
    DS 10 3 1064 N A15
    PI 50 5 1064 N A16
    FS 50 3 1064 N A17
    FS 2 2 1064 C A18
    FS 50 5 1064 C A19
    FS 50 5 1064 N A20
    FS 50 5 1064 C A21
    FS 50 25 1064 N A23
    FS 10 3 1064 N A24
    FS 20 2 1064 N A25
    DS 50 5 1064 N A28
    PI 70 8 1064 N A29
    FS 1 3 850 N A30
    AB 50 5 570-900 N A34
    FS 10 2 1064 N A35
    DS 5 2 1064 C A36
    FS 10 2 1064 N A37
    PI 10 1 1064 N A38

     

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