自主生產 905nm 75W 脈沖激光二極管，可用於中遠距離激光測距機。 大致參數如下： Maximum Ratings (short time operation) (TA= 25 °C) Parameter | Symbol | Values | Unit | Min. | Max. | Peak output power | Ppeak | – | 90 | W | Peak forward current | IF | – | 40 | A | Pulse width (FWHM) | tp | – | 100 | ns | Duty cycle | d.c. | – | 0.1 | % | Reverse voltage | VR | – | 3 | V | Operating temperature | Top | - 40 | + 85 | °C | Storage temperature | Tstg | - 40 | + 100 | °C | Soldering temperature (tmax= 10 s, 2 mm from bottom edge of case) | Ts | – | + 260 | °C |
Optical Characteristics(TA = 25 °C) Parameter | Symbol | Values | Unit | Min. | Typ. | Max. | | Emission wavelength※ | λpeak | 895 | 905 | 915 | nm | Spectral width (FWHM)※ | Δλ | – | 7 | – | nm | Peak output power※ | Pop | 65 | 75 | 85 | W | Threshold current | Ith | 0.5 | 0.75 | 1.0 | A | Operating voltage※ | Vop | 8 | 9 | 11 | V | Minimum rise and fall time (10% … 90%) | tr,tf | – | 1 | – | ns | Aperture size | w×h | – | 200 × 10 | – | μm | Beam divergence (FWHM) | θ|| × θ⊥ | – | 11° × 25° | – | Graddeg. | Temperature coefficient of wavelength | ∂λ / ∂T | – | 0.28 | – | nm/K | Temperature coefficient of optical power | ∂Pop/Pop∂T | – | -0.4 | – | %/K | Thermischer WiderstandThermal resistance | Rth JS | – | 160 | – | K/W |
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