HL6724MG algalnp laser diode literature order number rev 0 february 1997 description the HL6724MG is a 0.67 m m band algalnp laser diode with a multi-quantum well (mqw) structure. it is suitable as a light source for laser pointers and optical equipments for amusement. features visible light output: 670nm typ optical output power: 5 mw cw low operating current: 35 ma typ low operating voltage: 2.7 v max
HL6724MG 2 absolute maximum ratings (t c = 25 c) item symbol rated value unit optical output power p o 5mw pulse optical output power p o (pulse) 6 * 1 mw ld reverse voltage v r (ld) 2v pd reverse voltage v r (pd) 30 v operating temperature topr C10 to +50 c storage temperature tstg C40 to +85 c note: 1. pulse condition: pulse width 21 m s, duty 250% optical and electrical characteristics (t c = 25 c) item symbol min typ max unit test conditions optical output power p o 5 mw kink free threshold current ith 25 ma operating current iop 35 ma p o = 5 mw operating voltage vop 2.7 v p o = 5 mw lasing wavelength l p 660 670 680 nm p o = 5 mw beam divergence (parallel) q // 5 8 11 deg. p o = 5 mw beam divergence (perpendicular) q ^ 22 30 40 deg. p o = 5 mw monitor current i s 0.9 ma p o = 5 mw, v r(pd) = 5 v
HL6724MG 3 typical characteristic curves 5 4 3 2 1 0 0 20 40 60 80 100 forward current, i f (ma) optical output power, p o (mw) optical output power vs. forward current t c = -10 c 25 c 50 c 2.0 1.5 1.0 0.5 0 05 134 2 optical output power, p o (mw) optical output power vs. monitor current monitor current, i s (ma) t c = 25 c v r (pd) = 5 v
HL6724MG 4 typical characteristic curves (cont) ?0 ?0 0 20 40 angle (deg) relative intensity parallel perpendicular p o = 5 mw far field pattern 0 0.2 0.4 0.6 0.8 1 t c = 25 c p o = 5 mw 660 685 665 680 675 wavelength, l p (nm) p o = 3 mw p o = 1 mw lasing spectrum relative intensity t c = 25 670 c 100 -0 10 20 30 40 case temperature, t c ( c) threshold current, i th (ma) threshold current vs. case temperature 10 50 0 1.0 0.8 0.6 0.4 0.2 0 -10 10 20 30 40 50 case temperature, t slope efficiency, h s (mw/ma) slope efficiency vs. case temperature c c () 0
HL6724MG 5 typical characteristic curves (cont) -10 40 50 030 20 10 2.0 1.5 1.0 0.5 0 monitor current vs. case temprature case temperature, t c ( c) monitor current, i s (ma) p o = 5 mw v r (pd) = 5 v 674 670 668 666 -10 10 40 30 20 case temperature, t c ( c) lasing wavelength vs. case temperature lasing wavelength, l p (nm) 678 680 682 p = 5 mw o 050 672 676 20 15 10 5 0 01 3 2 optical output power, p o (mw) astigmatism vs. optical output power astigmatism , as( m) t c = 25 c na= 0.55 45 500 400 300 200 100 0 05 134 2 optical output power, p o (mw) polarization ratio vs. optical output power polarization ratio t c = 25 c na= 0.4 na= 0.25
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