RLT1550-40G TECHNICAL DATA Infrared Laser Diode Features • • • • Lasing Mode Structure: Single mode Peak Wavelength : typ. 1550 nm Optical Ouput Power: 40 mW Package: 9 mm Electrical Connection Pin Configuration Bottom View n-type PIN 1 2 3 Function LD Cathode LD Anode, PD Cathode PD Anode Typical Characteristics Characteristics CW Output Power Operating regime Center Wavelength FWHM Beam Divergence Operating Voltage Monitor Voltage Operating Temperature Package Symbols Pop λC θ║ θ┴ Uop Um Top Values 40 CW 1550 +/- 10 8 45 <2 <5 25 9 mm Unit mW nm deg deg V V °C Technical Parameters of stocked samples Sample No. 1-V417 2-V417 3-V417 4-V417 6-V417 12-V417 14-V417 15-V417 16-V417 17-V417 04.08.2010 Threshold current Ith [mA] 40 42 37 37 37 34 34 37 32 35 Operating current Iop [mA] 189 192 184 193 189 163 164 171 170 171 rlt1550_40g.doc Monitor current Im [µA] 294 82 232 334 67 170 176 176 365 142 Peak wavelength at Pop λop [nm] 1565 1567 1566 1566 1567 1563 1564 1567 1564 1565 1 of 3 Package Dimensons 9 mm Package (Unit:mm) Intensity, a.u. Typical beam divergence θ_|_ θ|| -60 -40 -20 0 20 40 60 θ,deg. 04.08.2010 rlt1550_40g.doc 2 of 3 Safety of Laser light • Laser Light can damage the human eyes and skin. Do not expose the eye or skin directly to any laser light and/or through optical lens. When handling the LDs, wear appropriate safety glasses to prevent laser light, even any reflections from entering to the eye. Focused laser beam through optical instruments will increase the chance of eye hazard. Cautions 1. Operating methode • This LD shall change its forward voltage requirement and optical ouput power according to temperature change. Also, the LD will require more operation current to maintain same ouput power as it degrades. In order to maintain output power, use of APC (Automatic Power Control) is recommended. Which use monitor feedback to adjust the operation current. • Confirm that electrical spike current generated by swithing on and off does not exceed the maximum operating current level specified herein above as absolute maximum rating. Also, employ appropriat countermeasures to reduce chattering and/or overshooting in the circuit. 2. Static Electricity • Static electricity or electrical surges will reduce and degrade the reliability of the LDs. It is recommended to use a wrist trap or anti-electrostatic glove when handeling the product. 3. Absolute Maximum Rating • Active layer of LDs shall have high current density and generate high electric field during its operation. In order to prevent excessive damage, the LD must be operated striclty below absolute maximum rating. 04.08.2010 rlt1550_40g.doc 3 of 3