optics
Class HoyaIndex

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

public class HoyaIndex
extends RefractiveIndex

Class to implement Hoya Glass index dispersion. Glass file is either set by environmental variable HOYAGLASSFILE. If this is not set it will default the URL version of the file which is much slower.

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

HoyaIndex(java.lang.String type)
Constuctor to create a Schott glass of specified name.

Method Summary

java.lang.String	getColourCode() Method to get the Colourcode String
double	getdIndex() Method of get the d-line index
double	geteIndex() Method of get the e-line index
double	getIndex(double lambda) Method to get index at a specified wavelength calculated from the dispersion constants.
double	getVd() Method of get the d-line V number
double	getVe() Method of get the e-line V number
java.lang.String	toString() String method to return infomation about glass

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

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

Constructor Detail

HoyaIndex

public HoyaIndex(java.lang.String type)

Constuctor to create a Schott glass of specified name.

Parameters:

type - The name of the glass (see glass tables).

Method Detail

toString

public java.lang.String toString()

String method to return infomation about glass

Overrides:

toString in class java.lang.Object

getdIndex

public double getdIndex()

Method of get the d-line index

Returns:

the n-line index

geteIndex

public double geteIndex()

Method of get the e-line index

Returns:

the e-line index

getVd

public double getVd()

Method of get the d-line V number

Returns:

the d-line V number

getVe

public double getVe()

Method of get the e-line V number

Returns:

the e-line V number

getColourCode

public java.lang.String getColourCode()

Method to get the Colourcode String

getIndex

public double getIndex(double lambda)

Method to get index at a specified wavelength calculated from the dispersion constants.

Specified by:

getIndex in class RefractiveIndex

Parameters:

lambda - Wavelength in microns

Returns:

double<\code> The refactive index.