PB7300-2000-T
(Portable Frequency Domain Terahertz Spectrometer)
Compact, Portable Terahertz Spectroscopy System
Bakman Technologies’ versatile PB7300-2000-T Spectroscopy Platform is designed for scanning complex compounds to precise specifications with greater accuracy and control.
The PB7300 is ideal for THz researchers and application developers who need to study the properties of materials at THz frequencies with high-resolution, but who don’t want to design and build their own high-resolution THz spectroscopy system.
The PB7300 can sweep from 100 GHz to over 1.8 THz in a single rapid scan with frequency resolution better than 0.25 GHz.
The PB7300 employs precisely tuned, fiber coupled, butterfly packaged semiconductor DFB lasers, an advanced photo-mixing source and detector, and sophisticated digital control hardware and software to provide a fully turnkey THz spectrometer.
The room temperature solid-state homodyne detection technique eliminates the need for cryogenics.
The highly efficient CW nature of the photo-mixing source puts all the THz power at the frequency of interest, yielding excellent signal-to-noise ratios across the scan range of up to 70 dB Hz.
Unlike time-domain systems requiring expensive mode-locked lasers, the tunable semiconductor laser diodes in the PB7300 can support linear scans or can ‘frequency hop’ between frequencies of interest to scan specific regions of the spectrum with varying degrees of resolution.
The fiber-optically-coupled source and detector heads are mounted on a rail system and configured for transmission measurements.
They may also be detached from the processor unit and used with extended fiber optic cables to provide maximum measurement flexibility in a wide range of applications.
Features
- Full Turnkey System: Arrives completely configured and ready to start making measurements
- - Extremely economical: A fraction of the cost of previous THz Systems
- - Portable: External Li Ion battery available for hours of use and easily switchable
- - Compact: 20 cm x 20 cm x 6 cm (7.9" x 7.9" x 2.4") and less than 2.5 kg
- - Continuous rapid scanning from 100 GHz to over 1.8 THz
- - Fiber optic coupled THz source and detector heads
- - Room temperature solid state detection: No cryogenics required
- - Integrated lock-in detection
- - Shipped in custom travel case
- - Custom versions available
Applications
- Signature Recognition
- Biologicals
- Chemicals
- Microwave and THz Spectroscopy
- Materials Characterization
- Frequency Domain Imaging
Specifications
| System Bandwidth | 1700 GHz - 2100 GHz |
| Spectral Purity | 0.010 GHz - 0.025 GHz |
| Frequency Resolution | 100 MHz - 5000 MHz |
| Dynamic Range @ 100 GHz | 65 dB Hz - 75 dB Hz |
| Dynamic Range @ 1000 GHz | 40 dB Hz - 60 dB Hz |
| Dynamic Range @ 2000 GHz | 40 dB Hz - 45 dB Hz |
| THz Beam Diameter @ 500 GHz | 12 mm (FWHM) |
| THz path length | 10 cm - 25 cm |
| Tuning speed | 10 GH/sec |
| Electronic Chopping Frequency | 6000 Hz |
| Weight – Control Chassis (ea) | 1.8 kg |
| Weight – Adaptable Optical Bench with Heads and Optics | 2.5 kg |
| Operating Temperature | -20°C to +55°C |
| Storage Temperature | -20°C to +75°C |
| Humidity | 10% to 90% (non-condensing) |
| Input Voltage (AC/DC Adapter) | 100 – 240 VAC |
| Input Frequency | 50 - 60 Hz |
| Input Voltage (DC Direct/Battery) | 15 - 19 V |
| Maximum Power Consumption @ 25C | 10 W |
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