TA-SHG pro

Narrow linewidth, high power, frequency doubled laser
Nonlinear frequency conversion techniques access wavelengths that cannot be generated directly from laser diode or other technologies. Via second or fourth harmonic generation, TOPTICA laser systems can access the UV, blue, green, yellow and orange spectral ranges at high powers and high coherence. TOPTICA SHG systems offer tunable, single-frequency systems at any wavelength between 330 nm and 685 nm, employing ultra-stable seed lasers, power amplification in semiconductor, and a proprietary bow-tie cavity design – all in established pro technology.
For higher powers a (Raman) fiber amplified (FA/RFA) version is available. For industrial integration and ease of use The system includes fully-automated push-button coupling optimization into the TA chip, the SHG cavity and the output fiber, as well as output power stabilization. For customers facing space constrains the rack-mounted version of TA-SHG pro for integration into T-RACK is available as MSHG pro.

Your Benefits

For all atoms and ions
Lasers at all laser wavelengths between 330 nm and 685 nm to address most of the relevant visible and UV transitions for quantum applications.
For all modern holographic recording media
Lasers at all laser wavelengths between 330 nm and 685 nm to address most of the relevant visible and UV transitions.
Narrow linewidth / long coherence length
The DL pro patented design results in a narrow linewidth for applications where a low frequency noise is required.
Customizable
Configure your SHG with the features you require. Every quantum system has its own personality. That’s why our SHG systems are modular. Need a variable probe beam? Easy. Want to integrate a fiber amplifier, manipulate the seed light or add a noise eater? We love those challenges. It’s a bit like Lego for lasers – we click together exactly what you need. 

Applications

Quantum physics science
Atom quantum computing & simulation
Ion quantum computing & simulation
Color centers (NV/Si)
Quantum communication
Quantum sensing & metrology
Maskless lithography & laser direct writing
Holography & augmented reality

Options

AutoAlign
Automated alignment of beams coupled to SHG cavity and FiberMon. No compromising of passive stability - AutoAlign is only activated on user request.
Fiber delivery
Fiber Delivery (FD) is optionally available with TOPTICA's patented fiber coupler FiberDock and a suitable polarization maintaining (PM) fiber. FiberDock provides highest single-mode fiber coupling efficiencies, easy alignment and at the same time highest stability. For most lasers, we specify a PER behind fiber of >20 dB with our Fiber Delivery option. Please also inquire about Long Life and High Power fibers as well as fiber splitters. Optical isolation is mandatory for fiber coupled diode laser systems.
FiberMon
Allows measurement of the SHG output power propagating in a single-mode, polarization-maintaining (SM-PM) fiber for PowerLock and AutoAlign. Two wavelength regions are available.
EOM
An EOM before the doubling cavity allows to independently create the PDH signal for laser locking. Advantageous for maximum mode-hop-free tuning range.
Narrow linewidth
The DL pro fundamental master laser is replaced by a narrow-linewidth version. Other master lasers (DFB/DBR) available upon request.
High power
At certain wavelenghts, high power tapered amplifiers are available. The option includes high-current driving electronics and a high-power capable SHG stage.
Advanced locking
Various lock options from side-of fringe frequency stabilization to PDH linewidth narrowing available. Modules like DigiLock 110 or PDH/DLC pro can be installed in the DLC ext extension rack, with shortest-possible cable length right next to the laser head. For the most demanding applications you can use the FALC pro (see Laser Locking Electronics).
Intra cavity EOM
The TA-SHG pro F variant features an intra-cavity EOM which provides two feedback channels. One is used for fast adjustments to ensure the superb locking performance, the other guarantees the high robustness of the lock. The locking performance is ideal for clock transitions and Rydberg transitions.
Extra power
Why have one TA if you can have the power of two in the same package? By coherently adding the output of two TA chips we can increase the output power by > 80%. This TA-SHG pro XP is available for selected wavelengths.
19" Rack Integration
Modular integration into 19" industry rack to save space and ensure mobility.

Specifications

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