RLD65MZT2 laser diodes 1/2 dvd-rom, combination red laser diode RLD65MZT2 for dvd-rom, combination. the strained multi quantum well of active layer is optimized that realized low threshold current and the good temperature characteristic. ! ! ! ! applications dvd-rom combination drive sensors ! ! ! ! features 1) the 10mw of the maximum rating corresponding to dvd-ram read. 2) optimization of a strained multi quantum well realizes the reduction in threshold current, and the good temperature characteristic. 3) low threshold current : 25ma (t c =25 c) ! ! ! ! external dimensions (units : mm) (3) (1) l.d. p.d. (2) m t y p e equivalent circuit diagram 90 2 0.4 0.1 1.0 0.1 5.6 + 0 ? 0.025 2.0 0.2 3.6 4.4 + 0 1.6 1min. 0.5min. 3 ? 0.45 1.2max. 0.5max. (1.27) 1.2 0.1 2.3 0.5 6.5 0.5 glass window laser chip sub mount optical distance 1.35 0.08 2 3 1
RLD65MZT2 laser diodes 2/2 ! ! ! ! absolute maximum ratings (tc=25 c) parameter p o v r v r(pin) tstg topr mw v v symbol 10 2 30 ? 10 to + 70 ? 40 to + 85 limits unit c c output raser operating temperature storage temperature pin photodiode reverse voltage ! ! ! ! electrical and optical characteristics (tc=25 c) parameter symbol min. typ. max. unit conditions i th ma ? 25 60 ? ? i op ma ? 35 70 p o = 5mw p o = 5mw p o = 5mw p o = 5mw p o = 5mw p o = 5mw p o = 5mw i m ma 0.1 0.2 0.5 // ? deg 7810 ? deg 20 27 35 ? // deg ? 20 + 2 nm 645 655 660 p o = 5mw astigmatism ? m ?? 10 p o = 5mw ? deg ? 30 + 3 ? y ? z ? x m ? 80 0 + 80 ? v op v ? 2.3 2.6 mw/ma 0.2 0.4 0.8 ? // and are defined as the angle within which the intensity is 50% of the peak value. threshold current operating current monitor current parallel divergence angle perpendicular divergence angle parallel deviation angle peak emission wavelength perpendicular deviation angle emission point accuracy operating voltage differential efficiency ! ! ! ! electrical and optical characteristics curves 10 8 6 2 4 0 0 20406080100 optical power : p o (mw) operating current : iop (ma) tc = 25 c 40 c 50 c 60 c 70 c 80 c fig.1 optical output vs. operating current 1.0 0.5 0 ? 60 ? 40 ? 20 0 60 40 20 intensity angle ( deg) // fig.2 far field pattern 10 1 2 3 4 5 6 7 8 9 0 0 0.1 0.2 0.3 optical intensity : p o (mw) monitor current : i m (ma) fig.3 monitor current vs. optical output
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