Long-wavelength speckle projection module
Deptrum's long-wavelength 3D-vision transmitter combines a 1470nm EEL, or edge-emitting laser, with a nanophotonic WFP chip for wavefront modulation to form arbitrary far-field light patterns. Designing the EEL active region readily shifts emission to other wavelengths, such as 1380nm, described as the lowest-energy wavelength in the solar spectrum.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Peak Power [Peak power in the original column; Not assumed to be input electrical power or merged with another optical power field] | 4.65W |
| Average Power | 465mW |
| Drive current | 3A |
| Drive Voltage | 1.55V |
| Pulse duration | 3ms |
| Frame Rate | 30fps |
| Duty cycle | 10% |
| Electro-optical efficiency | 14.9% |
| Optical power (peak) | 693mW |
| Speckle optical power (mean) | 92.4uW |
| Speckle count | 7,500 |
| Speckle diameter [40cm] | 2.5mm |
| Angle (FOV) | V67° H53° D80° |
| Center Wavelength | 1470nm |
| Spectral Width | 7nm |
| Operating Temperature | -30℃~50℃ |
| Module dimensions | 12(L)x6(W)x5.8(T) （mm） |
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Datasheet
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