HL6712G AlGaInP Laser Diode Description The HL6712G is 0.67 µm band AlGaInP index-guided laser diode with a double heterostructure. It is suitable as light sources for barcode readers, levelers, laser printers, and various other types of optical equipment. Hermetic sealing of the packages assure high reliability. Features • • • • • • Visible light output at wavelengths up to 680 nm Single longitudinal mode Low threshold current: 40 mA Typ Low astigmatism: 10 µm Typ Operates at temperatures up to 50°C Built-in monitor photodiode 131 HL6712G Absolute Maximum Ratings (TC = 25°C) Item Symbol Rated Value Unit Optical output power PO 5 mW 1 Pulse optical output power PO (pulse) 6* LD reverse voltage VR (LD) 2 V PD reverse voltage VR (PD) 30 V Operating temperature Topr –10 to +50 °C Storage temperature Tstg –40 to +85 °C Note: mW 1. Maximum 50% duty cycle, maximum 1µs pulse width Optical and Electrical Characteristics (TC = 25°C) Item Symbol Min Typ Max Unit Test Conditions Optical output power PO 5 — — mW Kink free Threshold current Ith — 40 65 mA Slope efficiency η 0.3 0.55 0.7 mW/mA 3 mW/I(4 mW)–I (1 mW) Lasing wavelength λp 660 670 680 nm PO = 5 mW Beam divergence (parallel) θ// 5 8 11 deg. PO = 5 mW, FWHM Beam divergence (perpendicular) θ⊥ 22 27 37 deg. PO = 5 mW, FWHM Monitor current Is 0.25 0.6 1.25 mA PO = 5 mW, VR (PD) = 5 V Astigmatism AS — 10 — µm PO = 5 mW, NA = 0.4 132 HL6712G Typical Characteristic Curves 133 HL6712G Typical Characteristic Curves (cont) 134 HL6712G Typical Characteristic Curves (cont) 135