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1500-1600nm VCSEL laser diode
1500-1600nm VCSEL laser diode
VCSEL vertical cavity surface emitting semiconductor laser 1567/1550nm 1mW
A vertical cavity surface emitting laser (VCSEL), abbreviated as VCSEL, is a semiconductor laser that emits laser light perpendicular to the top surface. Developed based on gallium arsenide semiconductor material, different from LED (light emitting diode) and LD (laser diode). The structure consists of a mirror surface, an active layer, and a metal contact layer. The two emission mirrors are P-type and N-type Bragg emitters. The active region is composed of quantum hydrazine. A metal contact layer is made on the outer surface of the P-type DBR to form an ohmic contact, and a circular outlet is made on the P-type DBR to output laser. It has a small far-field divergence angle, and the divergence angle beam is narrow and circular; And the threshold current is low, the modulation frequency is high, and it can reach 300KHz. Wavelength tuning can be achieved by changing the laser current and temperature. Equipped with TEC and PD packaging, it is designed specifically for high-speed fiber optic communication.
1550nm tunable VCSEL vertical cavity surface emitting laser (with TEC and collimating lens)
1550nm VCSEL is a vertical emission MOVPE grown GaAsP/AlGaAs single-mode diode laser. Wavelength tuning can be achieved through laser current and temperature tuning. Built in TEC and PD.
1550nm tunable VCSEL vertical cavity surface emitting laser (with TEC)
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1550nm tunable VCSEL TO package with tail fiber
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1567nm VCSEL vertical cavity surface emitting laser 1.0mW
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1550nm VCSEL vertical cavity surface emitting laser 0.5/1mW
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1550nm single-mode VCSEL laser diode (used for 4.25Gbps high-speed communication)