Chemistry
Typical applications are the thickness measurement of thin organic film on transparent substrates like glass or organic foils. For some applications opaque metallic films (e.g. Au) on transparent substrates are used as carriers of the organic films.
In the last years IR ellipsometry became very popular because of its sensitivity for very thin films and the absorption of characteristic molecule bonds. The orientation of the molecules can be determined.
In the last years IR ellipsometry became very popular because of its sensitivity for very thin films and the absorption of characteristic molecule bonds. The orientation of the molecules can be determined.
Laser ellipsometer LaserPro
- Low cost laser ellipsometer
- Measurement of thickness and refractive index of films Data acquisition time of 40 µs
Laser ellipsometer SE 400advanced - Highest available accuracy and sensitivity for measurement of film thickness and refractive index
- Measurement of refractive index of films down to 2-3 nm film thickness
IR ellipsometer SE 900
- Spectral range: 2 µm – 25 µm
Measures:
- Chemical composition and structure of organics and dielectrics
- Film thickness, especially on rough substrates
- Molecule orientation