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PCA - Photoconductive Antenna for Terahertz waves, λ ~ 1550 nm

Photoconductive antennas with LT-InGaAs absorber layer

PCA order information:
Part-No description: PCA-l-g-w-λ-x
• l - antenna length
• g - gap distance
• w - gap width
• λ - laser wavelength
• x - mounting options
Bow-tie antenna
  • Moderate bandwith
  • High signal amplitude
  • Recommended as emitter and detector

bow-tie antenna

Picture three bow-tie antennas

   bPCA-100-05-10-1550-x

• Antenna length l: 100 µm
• Gap distance g: 5 µm
• Gap width w: 10 µm
• Laser wavelength λ: ≤ 1550 nm
Data sheet (pdf)
Mounting & price tableQuote

geometrical antenne parameters

   bPCA-180-05-10-1550-x

• Antenna length l: 180 µm
• Gap distance g: 5 µm
• Gap width w: 10 µm
• Laser wavelength λ: ≤ 1550 nm
Data sheet (pdf)
Mounting & price tableQuote

geometrical antenne parameters

   bPCA-870-05-10-1550-x

• Antenna length l: 870 µm
• Gap distance g: 5 µm
• Gap width w: 10 µm
• Laser wavelength λ: ≤ 1550 nm
Data sheet (pdf)
Mounting & price tableQuote

geometrical antenne parameters

   bPCA-3000-05-10-1550-x

• Antenna length l: 3000 µm
• Gap distance g: 5 µm
• Gap width w: 10 µm
• Laser wavelength λ: ≤ 1550 nm
Data sheet (pdf)
Mounting & price tableQuote

geometrical antenne parameters

Mounting options x & price

• x = 0: unmounted PCA chip


• Unmounted antenna chip
• Chip area 4.0 mm x 4.0 mm
• Chip thickness 625 µm
• Price: 674.- €/pc
Quote

Unmounted PCA chip

• x = h: on hyperhemisherical Si-lens


  • Mounted antenna on 25.4 mm diameter aluminum heat sink
  • hyperhemispherical silicon lens with 12 mm diameter
  • THz beam divergence angle 17°
  • 1 m long coaxial cable with BNC or SMA connector
  • Data sheet (pdf)
  • Price: 1,665.- €/pc
  • Quote

PCA with hyperhemispherical Si lena

PCA with hyperhemispherical Si lena

• x = c: on collimating Si-lens


  • Mounted antenna on 25.4 mm diameter aluminum heat sink
  • Collimating elliptic silicon lens with 20 mm diameter
  • 1 m long coaxial cable with BNC or SMA connector
  • Data sheet (pdf)
  • Price: 1,915.- €/pc
  • Quote

Photo PCA with collimating Si lens

PCA with collimating Si lens

• x = a: on aspheric focusing Si-lens


  • Mounted antenna on 25.4 mm diameter aluminum heat sink
  • Aspheric focusing silicon lens with 50 mm focal length
  • Silicon lens diameter 20 mm
  • 1 m long coaxial cable with BNC or SMA connector
  • Data sheet (pdf)
  • Price: 1,915.- €/pc
  • Quote

Photo PCA with focusing Si lens

PCA with focusing Si lens

• x = c-f: fiber coupled


  • Fiber coupled antenna
  • 1.5 m long single mode fiber (SMF28) or Panda fiber (Fujikura SM15-PS-U25D) with FC/APC connector
  • Other optical fiber lengths are available.
  • PCA on collimating elliptic silicon lens with 20 mm diameter
  • 1.5 m long coaxial cable with BNC or SMA connector
  • The fiber coupled antenna comes with test report.
  • Data sheet (pdf)
  • Price: 3,569.- €/pc
  • Quote

Fiber coupled PCA

Additional options

• -CTL-D25mm, collimating TPX lens


Collimating TPX lens

• -FTL-f32.5mm, focusing TPX lens


Focusing TPX lens

• -p, preamplifier for detector antenna


  • Integrated preamplifier with power supply.
  • For use in an environment with strong electromagnetic interferences.
  • Not compatible with a focusing optical lens (-l) nor optical fiber (-f).
  • Data sheet (pdf)
  • Price: 885.- €/pc
  • Quote

Receiver PCA with preamplifier

• -l, mounted focusing optical lens


  • Focusing aspheric optical lens for free space laser excitation.
  • The lens comes mounted and adjusted on the PCA.
  • Data sheet (pdf)
  • Price: 514.- €/pc
  • Quote

Optical focusing lens

• XYZ Translation Stage


  • xyz translation stage (25 mm travel) with differential adjusters equipped with kinematic mount for our PCAs
  • Three adjuster screws for alignment of the antenna with respect to the laser beam and the THz optics.
  • Data sheet (pdf)
  • Price: 2,600.- €/pc
  • Quote

xyz translation stage