Overcome your challenges by our technology and solutions
Micro-lens Array
Application:
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For illumination: light beam collimation, deflection, homogenizing light intensity distribution, customized illumination pattern, etc.
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For imaging: concentrate light onto sensor array to increase sensitivity.
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As a chip module: directly integrated with semiconductor laser or sensor chips.
Typical specification (customization possible):
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Spherical or aspherical lens profiles
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Radius of curvature: 13 ~ 500 um
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Len Sag: 1 ~ 10 um
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Lens diameter: 10 ~ 200 um
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Lens peak-to-peak surface roughness < 10 nm
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Lens profile deviation < lambda/10
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Made of Silicon, GaAs, SiO2 or polymer
Our experience and uniqueness:
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We provide proof-of-concept and technology prototypes as well as large-scale production
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Demonstrated monolithically integrated microlens array on 6-inch VCSEL wafer
Computer Generated Hologram
Application:
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For illumination: beam shaping, structured light, diffuser for flood illumination
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As a chip module: directly integrated with semiconductor laser or sensor chips.
CHG design:
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Binary or multilevel (16 levels) diffractive element
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Optimized number of phase steps for performance and fabrication
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Inverse design (single wavelength or broadband) for customized distribution of light intensity within any desired far-field of interest.
Our experience and uniqueness:
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We provide proof-of-concept and technology prototypes as well as large-scale production.
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Demonstrated monolithically integrated CGH on 6-inch VCSEL wafer.
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CGH Integrated with a VCSEL array: high efficiency (~ 60%) and large deflection angle (deflects chief ray by 40+ degrees and generate increasing intensity distribution of far-field from 0 to 60+ degrees).
Metasurface
Application:
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For illumination: beam shaping, structured light, diffuser for flood illumination
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For imaging: achromactic metalens, broadband dispersion engineering, large field-of-view telecentric metalens
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As a chip module: directly integrated with semiconductor laser or sensor chips.
Metasurface design and optimization:
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Inverse design for customized far-field pattern
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Hybrid lens design comprising metasurfaces and refractive lenses
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Proprietary application programming interface for optimization
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Multifunctional metasurfaces (e.g. a metasurface as a lens + fan-out gratings)
Our experience and uniqueness:
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We provide proof-of-concept and technology prototypes.
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Demonstrated monolithically integrated metasurface on VCSEL chips.
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We provide packaged prototypes for ease of testing and showcase.
Packaged metasurfaces on VCSEL arrays: The metasurfaces (located within the blue circle area) are integrated on VCSEL arrays and encapsulated and protected by a glass window. The VCSEL arrays are wire-bonded to the circuit board. Therefore, each metasurface-VCSEL sample can be lighted up by simply connecting the bottom pins to a power supply. We can also provide CGH- and microlens-VCSEL samples in the same configuration for ease of demonstration.
