Even during 200 nm/s two-way sweeps, 81607A offers typical wavelength repeatability of ±1 pm. Offering more than +12 dBm peak output power, 81608A features ±1.5 pm typ wavelength repeatability at 2-way sweeps up to 200 nm/s. With 0.1 pm resolution and ±3 pm typical wavelength repeatability, 81609A can step within 300 msec to discrete wavelengths and delivers more than +12 dBm peak output power with low spontaneous emission. Power stability is ±0.01 dB over 1 hr.