Oz Optics Ltd. is offering fiber optic stable sources with laser diodes or LEDs in a range of wavelengths. The Foss-01 and Foss-02 models come with a fixed fiber output power, typically ?1 mW. Foss-03 sources come with an LCD and keypad-controlled adjustable output. All models operate with either a 9-V battery or an AC-to-9-VDC adapter. Foss-03 sources also can be modulated externally with an analog signal up to 10 kHz.