Optical Isolators - Lightpath Technologies - #5

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Oasis™ Monolithic Isolator and Aspheric Lens
Oasis™ provides a compact solution by combining both an aspheric lens and an isolator Built as a monolithic design, it offers diffraction limited performance optics along with outstanding isolation. The designs are ideal for small form factor laser diodes in both single and multi-channel configurations.
The Surface Mount configuration offers smaller form factors and exceptional value. The typical Surface Mount Oasis™ contains a 0.55 NA Finite Conjugate lens that couples a laser directly into a single mode fiber
The Micro Fixture Bench configuration offers a stainless steel holder; which can be easily mounted and aligned with standard pick and place equipment and then soldered or welded into the package. It contains a 0.8 NA or 0.6 NA collimating lens, perfect for collimating most laser diodes. The isolator offers a choice of single, 1.5 and double stages of isolation dependent on your requirements.
As with all of our products, LightPath® offers extensive support to our customers in designing and manufacturing custom configurations. These would include a wide selection of aspheric lenses and single, 1.5 and double stage isolation.
• Small form factor
• Alignment of one optical component
• Diffraction limited performance
• Typical isolation > 40dB (1.5 stage)
Typical Performance Parameters for
Temperature 0° to 85°
A (center) ± 20nm
Minimum
Maximum
Isolator Type
Isolation
Insertion Loss
(dB)
(dB)
Single Stage
25
0.3
I .5 State
42
0.5
Double Stage
47
0.5
Oasis™ Dimensions in mm
Wavelength (nm)
Isolator Type
Surface Mount Micro Fixture Micro Fixture
1310 1310 1310
1480 1480 1480
1550 1550 1550
Single Stage Single Stage Double Stage
0.375 0.9 0.9
1.35 3.20 3.79
1.8 3.6 3.6
1.1
3.48 3.48
Surface Mount
Micro Fixture Bench
L
W
AH A
Wavelength ♦ Marking I
Input Side
H
Beam Direction
AH
CA
Sample Value
Lens Parameter
Sample Valu
Lens Parameter
Design Wavelength
I550/I480nm
Numerical Aperture (NA)
0.55
Clear Aperture (CA)
0.53mm
Effective Focal Length (EFL)
0.382mm
Magnification
4.02
RMS WFE
Diffraction Limited
Outer Diameter (OD)
1.20mm
Working Distance (WD)
0.290/I.9Imm
Distance Lens to Laser
0.290mm
Design Wavelength
I550/I480nm
Numerical Aperture (NA)
0.60
Clear Aperture (CA)
0.84mm
Effective Focal Length (EFL)
0.70mm
Magnification
Infinite
RMS WFE
Diffraction Limited
Outer Diameter (OD)
2.5mm
Working Distance (WD)
0.29mm
Distance Lens to Laser
0.33mm
Oasis™ Isolators are custom manufactured to your specifications.
56
1-800-472-3486
www.lightpath.com

pageCatalog pdf di En 2012-05-22-30