HL8325G
HL8325G is GaAlAs Laser Diode manufactured by Hitachi Semiconductor.
Description
The HL8325G is a high-power 0.8 µm band Ga Al As laser diode with a TQW (triple quantum well) structure. Its internal circuit configuration is suited for operation on a single positive supply voltage. It is suitable as a light source for optical disk memories, card readers and various other types of optical equipment.
Features
- -
- - Infrared light output: λp = 820 to 840 nm High power: standard continuous operation at 40 m W (CW), pulsed operation at 50 m W Built-in monitor photodiode Single longitudinal mode
Absolute Maximum Ratings (TC = 25°C)
Item Optical output power Pulse optical output power LD reverse voltage PD reverse voltage Operating temperature Storage temperature Note: Symbol PO PO (pulse) VR (LD) VR (PD) Topr Tstg Rated Value 40 50- 2 30
- 10 to +60
- 40 to +85
Units m W m W V V °C °C
1. Maximum 50% duty cycle, maximum 1 µs pulse width
Optical and Electrical Characteristics (TC = 25 ± 3 °C)
Item Optical output power Threshold current Slope efficiency Lasing wavelength Beam divergence (parallel) Beam divergence (perpendicular) Monitor current Astigmatism Symbol PO Ith η λp θ// θ⊥ Is AS Min 40
- 0.4 820 7 18 20
- Typ
- 40 0.5 830 10 22 40 5 Max
- 70 0.9 840 14 32 130
- Unit m W m A m W/m A nm deg. deg. µA µm 24 m W/ I (32 m W)
- I (8 m W) PO = 40 m W PO = 40 m W, FWHM PO = 40 m W, FWHM VR (PD) = 5 V, PO = 4 m W PO = 4 m W, NA = 0.4 Test Conditions Kink free
Typical Characteristic Curves
Typical Characteristic Curves...