PCA-180-01-10-800-x
Photoconductive bow-tie antenna with finger gap structure for laser wavelengths λ ~ 500 nm … 850 nm
Spectral performance
Time domain measurements with PCA-180-01-10-800-h as detector
Emitter antenna: PCA-40-05-01-800-h; Detector antenna: PCA-180-01-10-800-h
Measured by Dr Edward Parrott who is in Prof Emma MacPherson's research group on the THz system at the Chinese University of Hong Kong
Antenna parameters
Parameter
minimum ratings
standard
maximum ratings
Dark resistance
600 kΩ
800 kΩ
1 MΩ
Voltage
4 V
5 V
Optical mean power
10 mW
20 mW
Current voltage characteristic of PCA-180-01-10-800
Main PCA data
- Laser excitation wavelength 800 nm
- Finger gap: 1 µm
- Antenna length 180 µm
- Antenna chip size 4 mm x 4 mm
Antenna design
Main PCA data
- Laser excitation wavelength 800 nm
- Finger gap: 1 µm
- Antenna length 180 µm
- Antenna chip size 4 mm x 4 mm
Order information
PCA-180-01-10-800-x Photoconductive antenna
length of the bow-tie antenna l = 180 µm
gap distance between the fingers g = 1 µm
width of the finger gap structure w = 10 µm
laser wavelength λ = 800 nm
x denotes the type of mounting as follows:
x = 0 unmounted chip 2 mm x 2 mm with 4 bond contact pads
x = h mounted on an Al disc with 25.4 mm φ and hyperhemispherical silicon substrate lens, 1m coaxial cable with BNC or SMA connector
x = a mounted on an Al disc with 25.4 mm φ and aspheric focusing silicon substrate lens, 1m coaxial cable with BNC or SMA connector
x = c mounted on an Al disc with 25.4 mm φ and aspheric collimating silicon substrate lens CL-12 for 12 mm THz beam diameter, 1m coaxial cable with BNC 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] • Antenna length l: 180 µm<br />• Finger distance g: 1 µm<br />• Gap width w: 10 µm<br />• Laser wavelength λ: ≤ 800 nm