From 25c19a8888197db68ada2a40c0917e1f534323d7 Mon Sep 17 00:00:00 2001 From: tlatorre Date: Thu, 5 Jul 2018 16:49:46 -0400 Subject: refractive_index.c -> optics.c --- refractive_index.c | 30 ------------------------------ 1 file changed, 30 deletions(-) delete mode 100644 refractive_index.c (limited to 'refractive_index.c') diff --git a/refractive_index.c b/refractive_index.c deleted file mode 100644 index d7d07f9..0000000 --- a/refractive_index.c +++ /dev/null @@ -1,30 +0,0 @@ -#include -#include "refractive_index.h" - -static double A0 = 0.243905091; -static double A1 = 9.53518094e-3; -static double A2 = -3.64358110e-3; -static double A3 = 2.65666426e-4; -static double A4 = 1.59189325e-3; -static double A5 = 2.45733798e-3; -static double A6 = 0.897478251; -static double A7 = -1.63066183e-2; -static double UV = 0.2292020; -static double IR = 5.432937; - -double get_index(double p, double wavelength, double T) -{ - /* Returns the index of pure water for a given density, wavelength, and - * temperature. The density should be in units of kg/m^3, the wavelength in - * nm, and the temperature in Celsius. */ - /* normalize the density, temperature, and pressure */ - p = p/1000.0; - wavelength = wavelength/589.0; - T = (T+273.15)/273.15; - - /* first we compute the right hand side of Equation 7 */ - double c = A0 + A1*p + A2*T + A3*pow(wavelength,2)*T + A4/pow(wavelength,2) + A5/(pow(wavelength,2)-pow(UV,2)) + A6/(pow(wavelength,2)-pow(IR,2)) + A7*pow(p,2); - c *= p; - - return sqrt((2*c+1)/(1-c)); -} -- cgit