Isolators

  • Update:Mar 09, 2020
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The high power isolator series includes in-line type beam expanded isolator fiber in and free space out isolator and free space isolator etc. They are characterized with low insertion loss & high insolation.

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High Power Polarization Insensitive Isolators

An optical isolator, is an optical component which allows the transmission of light in only one direction. It is typically used to prevent unwanted feedback into an optical oscillator, such as a laser cavity. The operation of the device depends on the Faraday effect (which in turn is produced by magneto-optic effect), which is used in the main component, the Faraday rotator.

Parameters Unit STOZ-HPII STOZ-HPII STOZ-HPII STOZ-HPII  
Package Type   B C5 C6 A43** B43**
Center Wavelength (λc) nm 1064 1064 or Specify 1064 or Specify 1064 1064
Operating Wavelength Range nm - ±10 ±10 - -
Typ. Peak Isolation dB 40 32-40 32-40 35 35
Min. Isolation at 23℃ dB 35 26 26 28 28
Typ. Insertion Loss at 23℃ dB 1.5 0.6 0.6 1.4 1.4
Max. Insertion Loss at -5~50℃ dB 1.8 1.0 1.0 1.7 1.7
Max. Insertion Loss at 1W dB 2.5 - - 2.0 1.8
Max. Insertion Loss at 1.5W dB - - - 2.5 2.0
Max. Insertion Loss at 2W dB - - - - 2.5
Min. Return Loss (Port1/Port2) dB - 50/50 50/50 - -
Max. PDL at 23℃ dB 0.15 0.15 0.15 0.15 0.15
Min. Return Loss (Input/Output) dB 50/50 - - 50/50 50/50
Max. Optical Power (CW) W 1 1, 3, 5, 10,20 1.0 or specify 2.0 or specify
Max Peak Power W - - - 10@1ns 10@1ns
Max. Tensile Load N 5 5 5 5 5
Fiber Type   HI 1060 Fiber HI 1060 Fiber or LMA Fiber HI 1060 Fiber or LMA Fiber HI 1060  Fiber or LMA Fiber HI 1060  Fiber or LMA Fiber
Operating Temperature 0 to +50 -5 to +50 -5 to +50 -5 to +50 -5 to +50
Storage Temperature -20 to+75 -20 to +75 -20 to +75 -20 to +75 -20 to +75

High Power Polarization Maintaining Isolator (HPMI)

Parameters Unit STOZ-HPMI STOZ-HPMI STOZ-HPMI STOZ-HPMI STOZ-HPMI STOZ-HPMI
Package Type   B B C5 C6 A43** B43**
Stage   Single Stage Dual Stage - - - -
Center Wavelength (λc) nm 1310, 1480 or 1550 1310, 1480 or 1550 1064 or Specify 1064 or Specify 1064 1064
Operating Wavelength Range nm ±20 ±20 ±10 ±10 ±5 ±5
Typ. Peak Isolation dB 42 58 32-40 32-40 35 35
Min. Isolation at 23℃ dB 28 48 26 26 28 28
Typ. Insertion Loss dB 0.4 0.5 0.6 0.6 1.6 1.7
Max. Insertion Loss at 23℃, λc dB 0.55 0.65 1.0 1.0 1.8 1.9
Max. Insertion Loss at 1064nm @ 1.0W , 23℃ dB - - - - 2.0 2.1
Max. Insertion Loss at 1064nm @ 1.5W , 23℃ dB - - - - 2.5 2.3
Max. Insertion Loss at 1064nm @ 2.0W , 23℃ dB - - - - -- 2.5
Min. Return Loss (Port1/Port2) dB 55 55 50/50 50/50 50/50 50/50
Min. Extinction Ratio (only for B Type) dB 22 22 20 20 20 20
Min. Extinction Ratio (only for F Type) dB 25 25 22 22 22 22
Max. Optical Power (CW) W 1, 3, 5,10 or Specify 1, 3, 5,10 or Specify 1, 3, 5, 10, 20 1.0 or specify 2.0 or specify
Max. Peak Power for  pulse kW - - - - 10 @ 1ns 10 @ 1ns
Max. Tensile Load N 5 5 5 5 5 5
Fiber Type   PM Panda Fiber PM Panda Fiber PM 980 Panda Fiber or PM LMA Fiber PM 980 Panda Fiber or PM LMA Fiber PM 980 Panda Fiber PM 980 Panda Fiber
Operating Temperature -5 to +70 -5 to +70 -5 to +50 -5 to +50 -5 to +50 -5 to +50
Storage Temperature -40 to +85 -40 to +85 -20 to +75 -20 to +75 -20 to +75 -20 to +75

High Power Collimated Output Isolators

  Unit STOZ-HPICI STOZ-HPICI STOZ-HPMCI STOZ-HPMCI
Type - D3 D72 D3 Polarisation Maintaining D72 Polarisation Maintaining
Center Wavelength (λc) nm 1064 or Specify 1064 or Specify 1064 or Specify 1064 or Specify
Operating Wavelength Range nm ±10 ±5 ±10 ±5
Typ. Peak Isolation dB 30~35 30~35 30~35 30~35
Min. Isolation at 23℃ dB 25 28 25 28
Typ. Transmission - 93% 93% 93% 93%
Min. Transmission - 90% 90% 90% 90%
Ellipticity % - >90 - -
Min. Return Loss dB 50 50 50 50
Max. Polarizaiton Dependent Loss dB 0.1 0.1 - -
Min. Extinction Ratio - - - 20 (only for F Type) 20 (only for F Type)
Nominal Output Beam Diameter (1/e^2)@0~1m WD mm 5+/-0.5, 6+/-0.5, 7+/-0.5 or Specify 5+/-0.5, 6+/-0.5, 7+/-0.5 or Specify 5+/-0.5,  6+/-0.5,  7+/-0.5 or Specify 5+/-0.5,  6+/-0.5,  7+/-0.5 or Specify
Max. Optical Power (CW) W 5, 10, 20 or Specify 5, 10, 20 or Specify 5, 10, 20 or Specify 5, 10, 20 or Specify
Fiber Type - HI 1060 or Specify HI 1060 or Specify PM 980 Panda Fiber or Specify PM 980 Panda Fiber or Specify
Operating Temperature -5 to +50 -5 to +50 -5 to +50 -5 to +50
Storage Temperature -20 to +75 -20 to +75 -20 to +75 -20 to +75

STLC Series - High Power Fiber In & Freespace Output Isolators

The high power isolator series includes in-line type, beam expanded isolator, fiber in and free space out isolator and free space isolator etc. they’re characterized with low insertion loss, high isolation, high power handling, high return loss, excellent environmental stability and reliability. They are ideal for fiber laser and instrumentation applications.   

Features

Applications

Type Parameter STLC-HP(M)OI
Non-PM isolator PM isolator
Operating wavelength( nm) 1064±5
Peak isolation ( dB) ≥35
Isolation in band at 23℃( dB) ≥28
Insertion loss at 23℃( dB) ≤0.5
Polarization dependent loss ( dB) ≤0.15 /
Extinction ratio ( dB) / ≥18(Type B),  ≥20(Type F)
Return loss (Input) ( dB) ≥50
Fiber type (can be customized) HI1060, x/125, x/250, etc. (x=10um, 15um, 20um, 30um,   etc.) PM980, PM x/125, x/250, etc. (x=10um, 15um, 20um, 30um, etc.)
Armored cable diameter Φ10.5mm   cable, can be customized.
Output beam diameter (mm) 0.4-0.6; Others on demand
Input max. power handling Average (W) 10, 20, higher on demand
Pulse peak(KW) 10, 20, higher on demand
Backward Power handling 4W for 5 Minutes or 10W for 5 Minutes or on demand
Operating Temperature (℃) -5 ~ +50
Storage Temperature (℃) -20 ~ +70
Dimensions (¢x L mm) ¢45xL114

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