RLD65MPT4
RLD65MPT4 is Low power red laser diode manufactured by ROHM.
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Laser Diodes
Low power red laser diode
Glass-less structure Red Laser. Low Ith & good temperature characteristics made by suitability of Multi Quantum Well. z Applications DVD-ROM BINATION Drive Sensors z Dimensions (Unit : mm)
Figure- 1
0.4 ± 0.1 90 ± 2
1.0 ± 0.1
φ3.6 ± 0.1
1 3 2
φ2.0 ± 0.2
1.2 ± 0.1 2.3 ± 0.5 z Features 1) The 10m W 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 : 25m A (TC=25°C).
Laser chip
+0 5.6
- 0.025
φ1.6 ± 0.1
0.5 min.
- φ 0.45 ± 0.1
Oprical distance
1.35 ± 0.08
Surmount
0.5max
Figure- 2
L.D
P .D.
2 z Absolute maximum ratings (Tc=25°C)
Parameter Output Reverse voltage Raser PIN photodiode Symbol PO VR VR(PIN) Topr Tstg Limits 10 2 30
- 10 to +70
- 40 to +85 Unit m W V V °C °C
Operating temperature Storage temperature
6.5 ± 0.5
φ1.2max
φ4.4 + 0
1/2
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Laser Diodes z Electrical and optical characteristics (Tc=25°C)
Parameter Threshold current Operating current Operating voltage Differential efficiency Monitor current Parallel divergence angle Perpendicular divergence angle Parallel deviation angle Perpendicular deviation angle Emission point accuracy Peak emission wavelength Astigmatism Symbol Ith Iop Vop η Im θ //∗ Min.
- -...
