GD-Calc Demo Gallery Code Ocean source link: https://codeocean.com/capsule/8614002/tree/v5 gdc_demo1a Uniperiodic grating, sinusoid gdc_demo2 Biperiodic grating, pyramids gdc_demo4 Biperiodic grating, checkerboard gdc_demo5 Biperiodic grating, circular posts gdc_demo10 Uniperiodic grating, holographic gdc_demo11 Biperiodic grating, photonic crystal gdc_demo12 Uniperiodic grating, blazed phase-Fresnel gdc_demo13 Uniperiodic grating, alignment sensor with internal field animation gdc_demo14 Biperiodic grating, metal posts with internal field animation gdc_demo17 Uniperiodic grating, Gaussian beam diffraction