optics
Class CauchyIndex

java.lang.Object
  optics.Optics
      optics.WaveLengthFunction
          optics.RefractiveIndex
              optics.CauchyIndex

public class CauchyIndex
extends RefractiveIndex

Class to implement three point Cauchy Refractive index interpolation for wavelength in micron with n = A + B/l^2 + C/l^4

Field Summary

Fields inherited from class optics.RefractiveIndex

air, currentIndex, currentWaveLength

Fields inherited from class optics.WaveLengthFunction

maxPlotLambda, minPlotLambda, plotPoints

Fields inherited from class optics.Optics

DEFAULT_WAVELENGTH, errorStream, fmt, MICRONS

Constructor Summary

CauchyIndex(CauchyIndex n)
Constructor with parameters specified by CauchyIndex.

CauchyIndex(double nd, double vd)
Constructor with two parameters of d-line refractive index and the Abbe number.

CauchyIndex(double a, double b, double c)
CauchyIndex constructor with three parameters for a wavelength in microns.

CauchyIndex(int glassType)
Constructor with single int glass type parameter containing d-line refractive index and Abbe number of form nnnVVV where refractive index is 1.nnn and Abbe number VV.V.

Method Summary

CauchyIndex	clone() Method to return a clone of the current CauchyIndex
double	getIndex(double lambda) Method to return refractive index for a specified wavelength in microns.
void	set(double nd, double vd) Method to set with two parameters.
void	set(double a, double b, double c) Method to set all three parameters
java.lang.String	toString() Default String method to get formatted name.

Methods inherited from class optics.RefractiveIndex

fromString, fromTokens, getIndex, getIndex, getValue

Methods inherited from class optics.WaveLengthFunction

getPlot, getPlotPoints, setPlotPoints, setPlotRange, setPlotRange, toGraph, toPlot, toPlot, toPlot

Methods inherited from class optics.Optics

getDefaultWaveLength, getErrorStream, getFormatString, getName, getStaticName, getVersion, printError, setDefaultWaveLength, setErrorStream, setFormatString, setMicrons

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

CauchyIndex

public CauchyIndex(double a,
                   double b,
                   double c)

CauchyIndex constructor with three parameters for a wavelength in microns.

Parameters:

a - The A constant parameter

b - The B 1/lambda^2 parameter

c - The C 1/lambda^4 paramter

CauchyIndex

public CauchyIndex(double nd,
                   double vd)

Constructor with two parameters of d-line refractive index and the Abbe number.

Parameters:

nd - The refractive index on the d-line

vd - The V number.

CauchyIndex

public CauchyIndex(int glassType)

Constructor with single int glass type parameter containing d-line refractive index and Abbe number of form nnnVVV where refractive index is 1.nnn and Abbe number VV.V.

Parameters:

glassType - integer glass type

CauchyIndex

public CauchyIndex(CauchyIndex n)

Constructor with parameters specified by CauchyIndex.

Parameters:

n - the specifying CauchyIndex.

Method Detail

clone

public CauchyIndex clone()

Method to return a clone of the current CauchyIndex

Overrides:

clone in class java.lang.Object

Returns:

CauchyIndex clone of current

set

public void set(double a,
                double b,
                double c)

Method to set all three parameters

Parameters:

a - constant value

b - 1/lambda^2 value

c - 1/lambda^4 value

set

public void set(double nd,
                double vd)

Method to set with two parameters.

Parameters:

nd - index at d-line

vd - abbe number at d-line.

toString

public java.lang.String toString()

Default String method to get formatted name.

Overrides:

toString in class java.lang.Object

Returns:

String the formatted String.

getIndex

public double getIndex(double lambda)

Method to return refractive index for a specified wavelength in microns.

Specified by:

getIndex in class RefractiveIndex

Parameters:

lambda - wavelength in microns

Returns:

double index at specified wavelength.