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Optiwave software can be used in different industries and applications, including Fiber Optic Communication, Sensing, Pharma/Bio, Military & Satcom, Test & Measurement, Fundamental Research, Solar Panels, Components / Devices, etc..
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Optiwave software can be used in different industries and applications, including Fiber Optic Communication, Sensing, Pharma/Bio, Military & Satcom, Test & Measurement, Fundamental Research, Solar Panels, Components / Devices, etc..
Download our 30-day Free Evaluations, lab assignments, and other freeware here.
I want to resolve guided resonance modes in the power spectrum of transmission through photonic crystal slabs and require high spectral resolution to do so. As written in the manual, the frequency domain sampling step is inverse proportional to the simulation time 1/2NDt. Why is it then that the maximum sampling points I can select in the 3D simulation menu is set to 200?
In previous version of OptiFDTD, there existed 2 options to obtain spectral response – FFT and DFT. The frequency domain sampling step was 1/(2N*Dt) for FFT. For DFT, it gave spectral response for a series of wavelengths which was identified by users. the more selected wavelengths, the slower DFT (FDTD) runs. so a max. number on sampling points (e.g. 200) was set. We removed FFT some time ago and only keep DFT.
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