EBIT

Earnings before interest and taxes

EBITA

Earnings before interest, taxes and amortisation

EBITDA

Earnings before interest, taxes, depreciation and amortisation

ECL

External cavity laser, variable-frequency diode laser

Electro-optical effect

Change in the optical properties of substances due to external electrical fields

Electro-optical modulator system / electro-optical modulators

Modulation system for laser light based on electro-optical crystals

Enabling technology

Key technologies