DFB-2004-3

DFB-2004-3 Description 2.0 μm DFB laser diodes (in the following a 2004nm device is exemplary presented) show unique device performance to meet the requirements of our customers. Their high side mode suppression ratio (SMSR) and high spectral purity make them perfectly suited for applications like e.g. CO2 spectroscopy. Mode-hop free DFB emission with a high side mode suppression ratio (SMSR) around 35dB is guaranteed for the device in the entire specified temperature and current range of operation. Spectrum Fig. 1:Spectrum of a 2004nm DFB Laser diode. Applications trace gas sensing of CO2 10.08.2010 dfb_2004_3.doc 1 of 3 Absolute Maximum Ratings Parameter LD forward current LD reverse voltage Operating temperature Storage temperature Symbol If Ur Top Tstore Unit mA V °C °C Electrical/Optical Characteristics Parameter Wavelength Symbol Unit λ nm Side mode supression dB Optical output power Forward current Threshold current Beam divergence parallel Popt mW If mA Ith mA deg. Beam divergence perpendicular deg. Slope efficiency e mW/mA Current tuning rate Temperature tuning rate CI nm/mA CT nm/K min 2003 32 40 20 25 45 0.08 0.01 0.18 Rating 100 1.5 -20 … 50 -20 … 85 typical 2004 35 3 50 25 30 50 0.12 0.02 0.2 max 2005 40 100 50 35 60 0.15 0.03 0.22 10.08.2010 dfb_2004_3.doc 2 of 3 Packages Different packaging options are available for those LD. Shown here are standard TO headers (e.g. TO5.6, TO9, TO8) with and without Peltier cooler. Mounting on cus...