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MICRO OPTICS -
II
Custom Optical Functionality:
USI Photonics provides a wide range of design and fabrication services for
custom OEM Micro-Optics functionality, in refractive, reflective, diffractive or
waveguide platforms and their combinations.
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BEAM
SPLITTER
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HOLOGRAPHIC DIFFUSER |
GRATING / BEAM REDIRECTION |
CGH (CUSTOM PATTERN PROJECTION) |
 
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DOE/FRESNEL LENSES |
MICRO
LENS ARRAYS |
BEAM
SHAPING / BEAM HOMOGENIZING |
MICRO-LENS ARRAYS
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Micro-lens Arrays |
Type |
Dimension |
Specifications |
Comments |
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Min |
Max |
Typical |
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Refractive
Lens Arrays |
Lens Size |
μm |
5 |
1000 |
100 |
Refractive profile etched in
substrate. |
| Lens Height |
μm |
0.01 |
10 |
5 |
Max etch depth |
| Lens Shape |
Round, elliptical,
square, hexagonal or rectangular |
| Array Size |
- |
1x1 |
1000x1000 |
50x50 |
Standard/Custom |
| Array Geometry |
Rectangular or
hexagonal close packed array. |
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Diffractive Lens Arrays |
Lens Size |
μm |
25 |
5 inches |
5000 |
Diffractive profile |
| Lens Height |
μm |
0.01 |
2 |
<1.0 |
Operating wavelength |
| Lens Shape |
Any shape (even highly
custom) |
| Array Size |
- |
1x1 |
1000x1000 |
20x20 |
Standard/Custom |
| Array Geometry |
Any array
geometry (even highly custom) |
Diffractive Optics
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Diffractive Optics |
Typr |
Dimensions |
Specifications |
Comments |
| Min |
Max |
Typical |
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Gratings |
Grating Size |
mm |
0.05 |
200 |
50 |
Depends on wafer
size. |
| Periods |
μm |
1.0 |
- |
3.0 |
- |
| Wavelengths |
μm |
250 |
1500 |
532 |
UV to IR |
| Phase Levels |
- |
2 |
Blazed |
4 |
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| Geometry |
Linear, circular, arbitrary geometry, chirped etc. |
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Computer Generated Holograms |
CGH size |
mm |
0.05 |
200 |
50 |
Depends on wafer
size. |
| Pixel size |
μm |
0.5 |
- |
2.0 |
- |
| Wavelengths |
nm |
250 |
1500 |
532 |
UV to IR |
| Phase Levels |
- |
2 |
16 |
4 |
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| Functionality |
Beam
splitting, beam shaping, beam homogenizing, beam sampling, logo
projection, fan-out gratings, custom projection, etc. |
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Holographic Diffusers |
Diffuser size |
mm |
0.05 |
200 |
50 |
Depends on wafer
size. |
| Diffusing angles |
deg |
- |
30o |
10o |
Depends on
wavelength. |
| Wavelengths |
nm |
250 |
1500 |
532 |
UV to IR |
| Geometry |
Isotropic (conical), anisotropic, Gaussian, custom profiles.
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USI is your micro-optics OEM partner for a
wide range of applications such as
- Optical telecom/Datacom.
- Optical Data Storage
- Optical anti-counterfeiting.
- Optical integrated sensors
- DUV lithography.
- Laser, LED and OLED Displays.
- Imaging Applications
- Biomedical Micro-systems
- Laser Material Processing
- Lase Metrology
- Astronomy / IR Imaging.
to list but a few.
Copyright © Universal Semiconductor
 1925 Zanker Road, San Jose, CA 95112
Updated:
04/01/2009 |
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UNIVERSAL
SEMICONDUCTOR