Description
1.4W-2W 445nm Nichia Laser Diode NDB 7775 NDB7775
Wavelength:445(nm)
Output Power: 1600(mW) min 1400mW
Transerve model:Multi-model
Operation Model:CW
Ellipticity:>95%
Beam Quality(M2):<1.5
Power Stability <5%(rms,over 4hours)
Pointing Stability:<5%(mrad,after warm up)
Warm up Time:<1(minutes)
Beam Divergence: <1.5(mrad,full angle)
Beam Diameter:<1.5(mm,at beam aperture after collimation lens)
Opeartion Tempearture:10-35(°C)
Input Voltage:<5.5VDC
Input Current:<1.8A 1800mA
Package TO5 9mm
Note:
- Only for experts and users who know it well.
- Duty cycle without heatsink: 5 seconds on, 1 seconds off.
- Working life: testing life with heatsink.
- 6 Months warranty.
- DO NOT use it for long time without heatsink.
1.Specifications
(1)Absolute Maximum Rantings
| Item | Symbol | Absolute Maximum Ratings | Unit |
| Forward Current | If | 1.7 | A |
| Allowable Reverse Current | Ir(LD) | 85 | mA |
| Storage Temperature | Tstg | -40~85 | ℃ |
| Operating Case Temperature | Tc | 0~50 | ℃ |
(2).Initial Electrical/Optical Characteristics
| Item | Symbol | Test Condition | Min. | Typ. | Max. | Unit | |
| Optical Output Power*2) | Po | If=1.2A | 1.4 | (1.6) | – | W | |
| Dominant Wavelength*3) | λd | If=1.2A | 440 | – | 455 | nm | |
| Threshold Current | Ith | CW Operation | 80 | – | 220 | mA | |
| Slope Efficiency | η | CW Operation | 1.0 | – | 2.0 | W/A | |
| Operating Voltage | Vop | If=1.2A | 3.7 | – | 5.5 | V | |
| Beam Divergence | Parallel | Θ∥ | If=1.2A | 5 | （14） | 25 | o |
| Perpendicular | Θ⊥ | If=1.2A | 30 | （44） | 50 | o | |
| Beam Pointing Accuracy | Perpendicular | ΔΘ⊥ | If=1.2A | -5.0 | – | 5.0 | o |
| Lifetime | Life | *5) | – | 20000 | – | Hr | |
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