cw Terahertz Generation – Standard Laser Package 850 / TeraBeam 1550
- Lasers for tunable cw terahertz generation
- Two DFB diode lasers with SYS DC 110 driver electronics
- Available wavelengths: 850 nm and 1550 nm
- Integrated optical isolators and SM/PM fiber coupling
- Fiber-optic beam combination (2 x 2 array)
- Laser power 30-50 mW per 2-color fiber output
- Difference frequency tuning up to 1800 GHz
- Frequency accuracy 2 GHz absolute, 10 MHz relative
- Tuning speed up to 0.1 THz / s
The Standard Package offers the essential laser equipment for difference frequency generation in the terahertz range. It comprises two DFB lasers, fiber-optic beam combination, and driver electronics. The diodes are carefully selected with respect to their tuning range. The Standard Package is available at 850 nm and 1550 nm. It can be combined with the High Power + High Precision Extension, and the cw THz spectroscopy kit.
Technical Information
Technical Information
| Wavelength range* | 853 + 855 nm | 1546 + 1550 nm |
| Lasers | 2x DL DFB | TeraBeam 1550 |
| Laser power (fiber output) | 2 x 50 mW | 2 x 30 mW |
| Scan range per diode | ± 1.3 nm | ± 2.2 nm |
| Frequency accuracy | 2 GHz absolute 10 MHz relative | |
| Frequency control | Analog voltages | |
| THz scan range | Typ. 0 – 1800 GHz | Typ. 0 – 1200 GHz |
| Optical isolation | Included, 60 dB per laser | Included, 80 dB per laser |
| Fiber coupling | Included, 2x2 fiber array | |
| Operating temperature | 15 – 30 °C | |
| Electronics | SYS DC110, 19” | |
| Operating voltage | 100..120 V/ 220..240 V AC 50..60 Hz (auto detect) | |
| Power consumption | Typ. < 100 W, max. 300 W | |
| *Other ranges on request. | ||
cw terahertz Standard Package: tunable DFB diode lasers with fiber-optic beam combination.
1160 GHz frequency scan of an 855nm DL DFB laser, as used in the Standard Package.
Options & Related Products
Options & Related Products
Options (850 nm only)
- High frequency modulation PCB: DL-Mod/DFB
- FET: bandwidth (-3 dB) of 20 MHz
- Bias-T: bandwidth > 300 MH
Related Products
- DL DFB: Tunable distributed feedback diode laser
- High Power Extension for best terahertz SNR
- High Precision Extension for ultimate frequency resolution
- cw Terahertz Spectroscopy Kit: Leading-edge photomixer technology
- Femtofiber pro laser for time-domain terahertz applications
- All-electronic terahertz imaging system
Technical Drawings
Applications
Download
Download
Scientific Papers: Precisely tunable continuous-wave terahertz source with interferometric frequency control
toptica_ScPaper_Sci_Instr_2008.pdf
toptica_ScPaper_Sci_Instr_2008.pdf
Scientific Paper: Coherent broadband continuous-wave terahertz spectroscopy on solid-state samples
toptica_ScPaper_New_J_Phys_2010.pdf
toptica_ScPaper_New_J_Phys_2010.pdf
Scientific Paper: Compact cw Terahertz Spectrometer Pumped at 1.5 µm Wavelength
toptica_ScPaper_J_Infr_THz_Waves_2010.pdf
toptica_ScPaper_J_Infr_THz_Waves_2010.pdf
Conference Proceeding: Progress Towards an Ultracompact cw Terahertz Spectrometer (IRMMW 2010)
toptica_ScPaper_IRMMW_2010.pdf
toptica_ScPaper_IRMMW_2010.pdf
