The Centre for Promotion of Additive Manufacturing – Optical Computation Chips (CPAM OCC), IISc Bangalore offers advanced Flat Optics Design, Simulation, Prototyping, and Characterization Services for next-generation optical systems. Leveraging expertise in metasurfaces, metalenses, diffractive optics, and nanophotonic devices, CPAM OCC develops compact, lightweight, and multifunctional optical components that replace bulky conventional optics while delivering superior performance.

​Our Services:

• Metalens Design

• High Numerical Aperture (NA) metalenses

• Broadband and achromatic metalenses

• RGB and multiwavelength metalenses

• UV, Visible, Near-IR, and Mid-IR metalenses

• Polarization-independent and polarization-selective designs

• High-efficiency dielectric metalenses

• Freeform and application-specific metalenses

• Metasurface Engineering

• Phase, amplitude, and polarization control

• Geometric (Pancharatnam–Berry) phase metasurfaces

• Resonant dielectric metasurfaces

• Beam steering and beam shaping metasurfaces

• Wavefront engineering

• Multifunctional metasurfaces

• Dynamic and tunable metasurface concepts

• Diffractive Flat Optics

• Diffractive optical elements (DOEs)

• Fresnel lenses and zone plates

• Beam splitters

• Dammann gratings

• Blazed gratings

• Computer-generated holograms

• Vortex beam generators​

• Computational Design

• Inverse design and topology optimization

• AI-assisted optical design

• Multi-objective optimization

• Fabrication-aware optimization

• Broadband and multi-functional optimization

• Tolerance and robustness analysis

• Simulation & Modeling

• Finite-Difference Time-Domain (FDTD)

• Rigorous Coupled-Wave Analysis (RCWA)

• Finite Element Method (FEM)

• Fourier optics simulations

• Electromagnetic field analysis

• Optical efficiency and aberration analysis

• Point Spread Function (PSF) and Modulation Transfer Function (MTF) evaluation

• Prototyping & Fabrication

• High-resolution direct laser writing

• Projection lithography

• Electron beam lithography support

• Nanoimprint lithography master fabrication

• Wafer-scale fabrication process development

• Micro- and nanostructure fabrication

• Optical Characterization

• Focal spot measurements

• Focusing efficiency​​

• Beam profile characterization

• Wavefront analysis

• Polarization response

• Spectral performance

• Imaging performance evaluation

• Optical transmission and diffraction efficiency

• Application Areas

• Imaging systems

• AR/VR and mixed reality

• Optical communications

• LiDAR and 3D sensing

• Biomedical imaging

• Optical microscopy

• Semiconductor lithography

• Laser beam shaping

• Optical computing

• Quantum photonics

• Space and defense optics

• Consumer electronics

• Deliverables

• Optical design files

• Simulation and optimization reports

• Fabrication-ready layouts (GDSII)

• Prototype flat optical components

• Performance characterization reports

• Design documentation

• Fabrication and integration guidelines

Why CPAM OCC?
Expertise in metalenses, metasurfaces, diffractive optics, and nanophotonics
End-to-end support from concept, simulation, and optimization to fabrication and testing
Advanced computational design using inverse-design and AI-assisted optimization
High-resolution micro/nanofabrication infrastructure for rapid prototyping
Capability to develop custom flat optics across UV, visible, and infrared wavelengths
Experience in integrating flat optics with photonic integrated circuits (PICs), imaging systems, and laser platforms

CPAM OCC specializes in translating advanced flat-optics research into application-ready devices, delivering compact, lightweight, and high-performance optical components for academia, industry, and strategic sectors.