Free space terahertz transmitter (terahertz photoconductive antenna)

The terahertz transmitter in free space is packaged with a photoconductive antenna and a high impedance silicon lens. We usually use GaAs (LT) produced at low temperatures-GaAs）Alternatively, GaBiAs can be used as a photoconductive material. Different photoconductive materials are suitable for different excitation wavelengths.

Terahertz transmitter parameter specifications

LT-GaAsantenna	GaBiAsantenna
Excitation power:< 50mW, typical value 30mW	Excitation power:< 50mW
Bias voltage:<50V, typical value 40V	Bias voltage:< 40V
Integrated high resistance silicon lens	Integrated high resistance silicon lens
Excitation wavelength: 800 ± 40nm	Excitation wavelength: 1050 ± 40nm
Encapsulate XY two-dimensional adjustment frame, with an adjustment range of ± 3mm	Encapsulate XY two-dimensional adjustment frame, with an adjustment range of ± 3mm

Free space terahertz detector(Terahertz photoconductive antenna)

Terahertz detector parameter specifications

LT GaAs antenna	GaBiAs antenna
Excitation power:< 50mW	Excitation power:< twenty-five
Integrated preamplifier	collectionbecomePreamplifier
Integrated high resistance silicon lens	Integrated high resistance silicon lens
Detecting Terahertz Bandwidth: [email protected] Laser Pulse Width	Detecting TerahertzbeltWidth: [email protected] laserPulse width
Peak position of terahertz spectrum: 400GHz	Peak position of terahertz spectrum: 400GHz
Excitation wavelength: 800 ± 40nm	Excitation wavelength: 1050 ± 40nm
Encapsulate XY two-dimensional adjustment frame, with an adjustment range of ± 3mm	Encapsulate XY two-dimensional adjustment frame, with an adjustment range of ± 3mm

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