Please enable JavaScript to view this site.

Application Gallery

Navigation: CMOS Image Sensors > Examples

Angular response 2D

Scroll Prev Top Next More

This 2D example shows how to calculate the angular response of an image sensor array. The angular response measures the optical efficiency of the device as a function of incidence angle. This result can be compared to an experimental setup and it can also be used to calculate the optical efficiency under uniform illumination as described in Simulation methodology.

 

The following figure shows the experimental setup being simulated. A laser beam illuminates the image sensor at some angle. We measure the fraction of power absorbed in the depletion region as a function of incidence angle. Two simulations (TE and TM) are required at each angle to get the efficiency for both polarizations and for un-polarized light.

 

Solvers

FDTD

Associated files

CMOS_angle2D.fsp

CMOS_angle2D_analysis.lsf

See also

CMOS image sensors

Initial simulation

Angular response 3D

Loss per unit volume

Related publications

F. Hirigoyen, A. Crocherie, J. M. Vaillant, and Y. Cazaux, “FDTD-based optical simulations methodology for CMOS image sensors pixels architecture and process optimization” Proc. SPIE 6816, 681609 (2008)

http://dx.doi.org/10.1117/12.766391

 

Crocherie et al., “Three-dimensional broadband FDTD optical simulations of CMOS image sensor”, Optical Design and Engineering III, Proc. of SPIE, 7100, 71002J (2008)

http://dx.doi.org/10.1117/12.797417

cmos_angle_experiment_zoom71

 

 

 

Copyright Lumerical Inc. | Privacy | Site Map