SPCA-5Pi-05-3000-800-x
Broadband photoconductive antenna with 5 π logarithmic spiral structure for laser wavelengths λ ~ 500 nm … 850 nm
Antenna parameters
Parameter
minimum ratings
standard
maximum ratings
Dark resistance
100 MΩ
150 MΩ
180 MΩ
Voltage
15 V
20 V
Optical mean power
20 mW
30 mW
Dark current voltage characteristic
Antenna design
Order information
SPCA-5Pi-05-3000-800-x logarithmic spiral photoconductive antenna
spiral angle 4 π
gap distance g = 5 µm
diameter of the spiral antenna l = 3000 µm
laser wavelength l = 800 nm
x denotes the type of mounting as follows:
x = 0 unmounted chip 4 mm x 4 mm with 4 bond contact pads
x = h mounted on an Al disc with 25.4 mm Æ and hyperhemispherical siliconsubstrate lens, 1m coaxial cable with BNC or SMA connector
x = a mounted on an Al disc with 25.4 mm Æ and aspheric focusing silicon substratelens, 1m coaxial cable with BNC or SMA connector
x = c mounted on an Al disc with 25.4 mm Æ and aspheric collimating siliconsubstrate lens CL-12 for 12 mm THz beam diameter, 1m coaxial cable withBNC or SMA connector
x = h-f fiber coupled antenna with hyperhemispherical silicon substrate lens
x = l with aspheric focusing optical lens for free space laser excitation
x = p with preamplifier for detector antenna
描述 [描述] • Spiral angle: 5π<br />• Gap distance g: 5 µm<br />• Antenna diameter: 3000 µm<br />• Laser wavelength λ: ≤ 800 nm