Lytid TC1010 TeraCascade Quantum Cascade Laser (QCL) Terahertz Source
| Origin | France |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | TC1010 |
| Price Range | USD 13,500 – 40,500 (FOB) |
| Core Component | Solid-State Quantum Cascade Laser System |
Overview
The Lytid TC1010 TeraCascade is a compact, turnkey continuous-wave (CW) terahertz source engineered for high-stability spectral output in the 2.5 THz band (λ ≈ 112 µm). Based on monolithic quantum cascade laser (QCL) architecture developed at the MPQ Laboratory, Université Paris Diderot, the system leverages epitaxially grown GaAs/AlGaAs heterostructures to generate coherent THz radiation via intersubband transitions. Unlike photoconductive or optical rectification sources, the TC1010 delivers intrinsic narrow-linewidth emission (8 h continuous operation at 15 °C ambient).
Key Features
- Monolithic QCL chip fabricated using molecular beam epitaxy (MBE) with optimized active region design for 2.5 THz emission
- Integrated thermoelectric cooler (TEC) and temperature stabilization circuitry ensuring ±0.02 °C thermal regulation
- Hermetically sealed, fiber-coupled output port compatible with standard THz waveguides (e.g., metal rectangular waveguide WR-3.4)
- Onboard digital controller with RS-232 and USB 2.0 interfaces supporting remote current/voltage/temperature setpoint adjustment
- Beam divergence of 35° FWHM—optimized for coupling into quasi-optical systems or silicon lens collimation modules
- EMI-shielded aluminum chassis (250 × 460 × 500 mm; <10 kg) compliant with CE and RoHS directives
Sample Compatibility & Compliance
The TC1010 is compatible with solid, liquid, and gaseous samples placed in transmission or reflection geometries within standard THz sample chambers. Its fixed-frequency output enables high signal-to-noise ratio absorption measurements of rotational and vibrational–rotational transitions in polar molecules (e.g., H₂O, NH₃, CH₃OH) and phonon resonances in crystalline dielectrics (e.g., SiC, sapphire). The system conforms to ISO/IEC 17025 calibration traceability requirements when operated with NIST-traceable power meters (e.g., Gentec-EO THz-50D). It supports GLP-compliant data acquisition when integrated with validated software environments meeting FDA 21 CFR Part 11 audit trail specifications.
Software & Data Management
Lytid provides the TeraControl Suite v3.2—a platform-independent application (Windows/macOS/Linux) enabling real-time monitoring of laser bias current, junction temperature, output power, and thermal drift compensation status. All operational parameters are logged with UTC timestamps and stored in HDF5 format for interoperability with MATLAB, Python (h5py), and LabVIEW. The software includes built-in routines for automated power calibration against reference detectors and supports scripting via Python API for batch measurement sequences. Raw data exports include metadata headers compliant with the THz Spectroscopy Data Interchange Format (TSDIF) v1.1.
Applications
- High-resolution gas-phase spectroscopy for atmospheric monitoring and industrial process control
- Non-destructive evaluation (NDE) of polymer composites and pharmaceutical tablet coatings
- Fundamental studies of carrier dynamics in 2D materials (e.g., graphene, transition metal dichalcogenides)
- Calibration reference source for Fourier-transform infrared (FTIR) spectrometers operating in the far-IR
- Local oscillator in heterodyne receivers for radio astronomy instrumentation (e.g., ALMA Band 10 extensions)
- THz near-field microscopy illumination in scattering-type SNOM platforms
FAQ
What is the maximum operating temperature range for stable CW output?
The TC1010 maintains stable lasing up to 22 °C ambient when mounted on a vibration-isolated optical table with ≥1 m/s airflow. Junction temperature must remain below 210 K for optimal wall-plug efficiency.
Is the output polarization linear and fixed?
Yes—the emitted THz radiation is linearly polarized parallel to the laser cavity’s growth direction (TM mode), with an extinction ratio >30 dB measured using wire-grid polarizers.
Can the TC1010 be synchronized with femtosecond laser systems?
While designed as a CW source, its low-noise current driver supports external modulation up to 10 kHz via analog input, enabling lock-in detection schemes with fs-pumped photoconductive antennas.
Does Lytid provide calibration certificates with each unit?
Each TC1010 ships with a factory calibration report documenting output power vs. drive current at three discrete temperatures (190 K, 200 K, 210 K), traceable to PTB (Physikalisch-Technische Bundesanstalt) standards.
What maintenance is required during routine operation?
No consumables or periodic alignment are needed. Recommended annual verification includes TEC performance validation and output power recalibration using a calibrated Golay cell detector.
