wlconv: Convert different wavelength units

In hyperSpec: Work with Hyperspectral Data, i.e. Spectra + Meta Information (Spatial, Time, Concentration, ...)

Convert different wavelength units

Description

The following units can be converted into each other: nm, cm^{-1}, eV, THz and Raman shift

Usage

wlconv(points, src, dst, laser = NULL)

nm2raman(x, laser)

nm2invcm(x, ...)

nm2ev(x, ...)

nm2freq(x, ...)

invcm2raman(x, laser)

invcm2nm(x, ...)

invcm2ev(x, ...)

invcm2freq(x, ...)

raman2invcm(x, laser)

raman2nm(x, laser)

raman2ev(x, laser)

raman2freq(x, laser)

ev2raman(x, laser)

ev2invcm(x, ...)

ev2nm(x, ...)

ev2freq(x, ...)

freq2nm(x, ...)

freq2invcm(x, ...)

freq2ev(x, ...)

freq2raman(x, laser)

Arguments

points	data for conversion
src	source unit
dst	destination unit
laser	laser wavelength (required for work with Raman shift)
x	wavelength points for conversion
...	ignored

Functions

• nm2raman: conversion nanometers -> Raman shift (relative wavenumber)

• nm2invcm: conversion nanometers -> inverse cm (absolute wavenumber)

• nm2ev: conversion nanometers -> electronvolt

• nm2freq: conversion nm -> frequency in THz

• invcm2raman: conversion inverse cm (absolute wavenumber) -> Raman shift (relative wavenumber)

• invcm2nm: conversion inverse cm (absolute wavenumber) -> nanometers

• invcm2ev: conversion inverse cm (absolute wavenumber) -> electronvolt

• invcm2freq: conversion inverse cm (absolute wavenumber) -> frequency in THz

• raman2invcm: conversion Raman shift (relative wavenumber) -> inverse cm (absolute wavenumber)

• raman2nm: conversion Raman shift (relative wavenumber) -> nanometers

• raman2ev: conversion Raman shift (relative wavenumber) -> electronvolt

• raman2freq: conversion Raman shift (relative wavenumber) -> frequency in THz

• ev2raman: conversion electronvolt -> Raman shift (relative wavenumber)

• ev2invcm: conversion electronvolt -> inverse cm (absolute wavenumber)

• ev2nm: conversion electronvolt -> nanometers

• ev2freq: conversion electronvolt -> frequency in THz

• freq2nm: conversion frequency in THz -> nanometers

• freq2invcm: conversion frequency in THz -> inverse cm (absolute wavenumber)

• freq2ev: conversion frequency in THz -> electronvolt

• freq2raman: conversion frequency in THz -> Raman shift (relative wavenumber)

Author(s)

R. Kiselev

Examples

wlconv (3200, "Raman shift", "nm", laser = 785.04)
wlconv( 785, "nm", "invcm")

hyperSpec documentation built on May 29, 2024, 7:28 a.m.