BlueMode – High Coherence and High Power at 405 nm
- BlueMode Technology for Interferometry, Raman Spectroscopy, Holography, Quantum Cryptography
- 50 mW @ 405 nm, free-beam output
- Linewidth < 5 MHz (< 0.003 pm), coherence length > 25 m
- Wavelength stability < 0.05 pm/h, constant environmental conditions
- Long-term power stability < 0.6 % peak-peak, constant conditions
- Relative intensity noise ≤ -135 dB, 10 kHz .. 100 MHz
- Built-in optical isolator and beam shaping
- Optional single-mode fiber coupling, typ. 60 % efficiency
The BlueMode laser sets new records for blue-violet diodes. It is the first laser that unites high power, high coherence and superior long-term mode stability in a compact and rugged design. BlueMode is based on proprietary technology, developed by TOPTICA for demanding measurement tasks in both scientific research and industrial applications. Directly available are research grade lasers; OEM solutions are provided upon request.
Technical Information
Technical Information
Long-term power stability of BlueMode. The inset shows a peak-to-peak variation of < 0.1 % pp in a 5-hour measurement.
Spectrum of BlueMode laser, recorded with a scanning Fabry Perot interferometer (FPI 100). Single-frequency operation is obtained even at maximum power.
Specifications:
| Center wavelength | 403 .. 408 nm |
|---|---|
| Wavelength selection | U.r. |
| Frequency tuning | No (tunable version u.r.) |
| Wavelength stability | < 0.05 pm/h* |
| Output power | 50 mW behind isolator |
| Power stability (10 hrs) | < 0.6 % pp, < 0.1 % RMS* |
| Relative intensity noise (RIN) | ≤ -135 dB @ 10 kHz .. 100 MHz |
| Linewidth (40 ms) | < 5 MHz |
| Coherence length | > 25 m |
| Polarization | Linear, > 100:1, 45° |
| M² | < 1.5 (typ. < 1.2) |
| Optical isolation | Included, > 30 dB |
| Fiber coupling | Optional, typ. 60 % in SM fiber |
| Electronics | SYS DC110, 12” rack |
| Warm-up time | < 5 min |
| Environmental temperature (operating) | 15 – 35°C |
| Environmental temperature (transport) | 0 – 40°C |
| Humidity | Non condensing |
| Operating voltage | 100..120 V / 220..240 V AC 50..60 Hz (auto detect) |
| Power consumption | Typ. < 100 W, max. 300 W |
* At constant environmental conditions
Options & Related Products
Options & Related Products
- Frequency tuning: Mode-hop free tuning range typ. 20 GHz
- FiberDock fiber coupling
Related Products:
- DL 100: Economic Littrow type ECDL in modified Hänsch design
- iBeam smart: Ultra-compact diode laser with highest power, low coherence
- iWave: UV / blue diode laser with mm-range coherence
Technical Drawings
Applications
Applications
TOPTICA’s BlueMode laser for interferometry, holography, Raman spectroscopy, quantum cryptography.
The combination of excellent long-term coherence stability and outstanding single-mode behavior, renders the laser a perfect fit for applications such as
- Interferometry and holography,
- High resolution Raman spectroscopy,
- Quantum cryptography,
- Photonic down-conversion.
