- photoelectron spectroscopy
- rotational spectroscopy
- photoacoustic spectroscopy
- diode laser spectrometry
- Mössbauer spectroscopy
- spectral analysis
- ultraviolet spectrophotometry
- laser spectral analysis
- submillimeter spectroscopy
- visible area spectrophotometry
- fluorescent spectrophotometry
- microwave spectrophotometry
- Fourier spectroscopy
- Raman spectrophotometry
- heterodyn spectroscopy
- infrared spectrophotometry