NKT PHOTONICS K822-000-000 Koheras Adjustik

( Brand: Nkt Photonics ), ( Manufacturer Part Number: K822-000-000 ), ( Model: NKT PHOTONICS KOHERAS ADJUSTIK K822-000-000 )

Review NKT PHOTONICS Koheras Adjustik

The **NKT Photonics Koheras AdjustiK** (model K822-000-000) is a cutting-edge, ultra-stable, and highly versatile **narrow-linewidth, single-frequency laser system** designed to deliver exceptional coherence, precision, and reliability for demanding applications in quantum optics, atomic physics, metrology, and advanced scientific research. Engineered with NKT Photonics signature expertise in fiber-based laser technology, the AdjustiK combines the robustness of a fiber laser with the unparalleled spectral purity of a solid-state laser, making it an ideal choice for experiments requiring sub-Hertz linewidths and long-term frequency stability. At its core, this laser operates on the principle of **frequency stabilization via a high-finesse optical cavity**, ensuring that its output remains locked to a reference with remarkable precision, even over extended periods. The K822-000-000 model is particularly well-suited for applications in **optical atomic clocks, cold atom experiments, quantum computing, and high-precision spectroscopy**, where the ability to maintain a stable, narrow linewidth is critical for achieving accurate measurements and minimizing phase noise.

One of the standout features of the AdjustiK is its **adjustable wavelength range**, which spans from approximately **770 nm to 800 nm**, allowing researchers to tailor the laser output to specific atomic transitions or experimental requirements. This flexibility is complemented by an **integrated, high-performance Pound-Drever-Hall (PDH) locking system**, which ensures that the laser frequency is actively stabilized to a reference cavity with sub-Hertz accuracy. The system s **fiber-coupled output** simplifies integration into complex optical setups, as it eliminates the need for free-space alignment while maintaining high beam quality. Additionally, the AdjustiK is equipped with **active temperature and vibration compensation mechanisms**, which mitigate environmental fluctuations that could otherwise degrade performance. This level of stability is particularly valuable in **long-term experiments or field deployments**, where maintaining coherence over hours or even days is essential.

Beyond its technical specifications, the AdjustiK is designed with **user-friendly operation and remote control capabilities** in mind. Its **compact and ruggedized enclosure** ensures durability in laboratory or field environments, while the **modular control interface** allows for seamless integration with existing experimental setups via standard communication protocols such as **GPIB, Ethernet, or RS-232**. The laser s **low noise floor and high spectral purity** make it an excellent choice for applications requiring **high-resolution spectroscopy, quantum optics, or precision measurements**, where even minute frequency shifts can significantly impact results. Whether used in **atomic interferometry, quantum simulation, or advanced metrology**, the AdjustiK provides the stability and precision needed to push the boundaries of scientific discovery. With NKT Photonics reputation for innovation and reliability, the Koheras AdjustiK stands as a benchmark in the field of ultra-stable laser technology, offering researchers a powerful tool to advance their work with confidence.

### **Pros and Cons of buying a NKT Photonics K822-000-000 (Koheras Adjustik) Laser System**

#### **Pros**

1. **High Coherence and Stability** The Adjustik is a highly stable, narrow-linewidth laser with excellent coherence properties, making it ideal for precision applications such as quantum optics, atomic physics, and interferometry. Its coherence length exceeds 100 meters, which is critical for experiments requiring phase stability.

2. **Tunability and Flexibility** The laser operates in the near-infrared range ( 780 nm) and can be tuned over a narrow but precise spectral range, allowing for fine adjustments in experiments. This is particularly useful in atomic physics, where precise wavelength control is necessary for resonance with atomic transitions.

3. **Compact and Modular Design** The Adjustik is a compact, fiber-based laser system, which reduces footprint and complexity compared to traditional bulk optics setups. Its modular design allows for easy integration into existing experimental setups.

4. **Low Noise and High Power Stability** The laser exhibits low relative intensity noise (RIN) and excellent power stability, which is essential for sensitive measurements in quantum optics, cold atom experiments, and metrology.

- **Cold atom experiments** (e.g., Bose-Einstein condensates, atomic clocks)

- **Quantum optics and entanglement experiments**

- **Precision spectroscopy and atomic physics**

- **Interferometry and metrology**

6. **Long Lifespan and Reliability** NKT Photonics is a reputable manufacturer with a strong track record in laser technology. The Adjustik is designed for durability, reducing downtime and maintenance requirements.

7. **Technical Support and Documentation** NKT provides comprehensive documentation, software tools, and technical support, which can be invaluable for researchers and engineers setting up complex experiments.

---

#### **Cons**

1. **High Initial Cost** The Adjustik is a high-end laser system, and its purchase price is significantly higher than that of consumer-grade or basic laboratory lasers. This can be a barrier for smaller labs or individual researchers with limited budgets.

2. **Specialized Knowledge Required** Operating and optimizing the laser may require expertise in laser physics, optics, and experimental setups. Users without prior experience may need extensive training or support from technical staff.

3. **Limited Wavelength Range** While the Adjustik is tunable, its operational range is narrow ( 780 nm), which may not be suitable for applications requiring broader spectral coverage. Researchers needing other wavelengths (e.g., visible or mid-infrared) would need additional lasers.

4. **Maintenance and Calibration Needs** Like all high-precision instruments, the Adjustik may require periodic calibration, alignment, and maintenance to ensure optimal performance. This can add to operational costs over time.

5. **Dependence on Fiber Optics** The laser s fiber-based design, while advantageous for compactness, means that any issues with the fiber (e.g., damage, misalignment) could disrupt the experiment. Fiber handling and protection must be carefully managed.

6. **Potential for Overkill in Some Applications** For basic or less demanding experiments (e.g., simple spectroscopy or low-precision measurements), the Adjustik s advanced features may be unnecessary, making it an overinvestment for those applications.

7. **Integration Challenges** While the Adjustik is modular, integrating it into an existing experimental setup may require additional components (e.g., isolators, amplifiers, beam splitters) and careful alignment, which can complicate the process.

---

### **Conclusion**

The NKT Photonics K822-000-000 (Koheras Adjustik) is a **high-performance, specialized laser system** designed for cutting-edge research in quantum optics, atomic physics, and precision metrology. Its strengths lie in its **coherence, stability, tunability, and reliability**, making it indispensable for advanced scientific applications. However, its **high cost, specialized requirements, and narrow applicability** mean it is not a suitable choice for all users.

For researchers working in **quantum optics, cold atom experiments, or high-precision spectroscopy**, the Adjustik is an excellent investment. For those with **limited budgets or less demanding applications**, alternative lasers (e.g., diode lasers, external-cavity tunable lasers) may offer a more cost-effective solution.

---

### **Recommendation**

- You are conducting **high-precision experiments** requiring narrow linewidth, high coherence, and stability (e.g., quantum optics, atomic clocks, Bose-Einstein condensates).

- Your budget allows for a **high-end laser system**, and you can justify the cost based on the long-term benefits.

- You have access to **technical expertise** or are willing to invest in training to operate and maintain the laser.

- The **780 nm wavelength** aligns with your experimental needs (e.g., rubidium, cesium, or other alkali atom experiments).

- Your application does **not require** the laser s advanced features (e.g., simple spectroscopy, basic optical experiments).

- Your budget is **limited**, and you can find a **more affordable alternative** that meets your needs.

- You lack **experience with high-precision laser systems**, and the learning curve would be prohibitive.

- You need **broader wavelength coverage** beyond the Adjustik s tunable range.

- For **lower-cost tunable lasers**, consider **external-cavity diode lasers (ECDLs)** or **Ti:sapphire lasers** (if visible range is needed).

- For **quantum applications**, explore **other fiber lasers or diode-pumped solid-state lasers** that may offer a balance between performance and cost.

- If **maintenance concerns** are a factor, evaluate the **longevity and support** offered by NKT Photonics versus competitors like Toptica, MPB Communications, or Sacher Lasertechnik.

Ultimately, the Adjustik is a **premium choice** for researchers at the forefront of laser-based science, but its value depends on the specific demands of your work. Carefully weigh the pros and cons against your project s requirements before making a purchase decision.

Details:

Item condition: NKT Photonics Koheras Adjustik K822-000-000. Buyer is buying the item as-is. Shipping Information: for this item is FedEx Ground. It looks to remain in good psychical condition from the outside.

Comports: Specializing in new and used electronics for over twenty five years!:: NKT Photonics Koheras Adjustik K822-000-000.

part #: k822000000 price

• $2500.00

specifications industrlasemr:

• brand: Nkt Photonics
• mpn: K822-000-000
• model: Nkt Photonics Koheras Adjustik K822-000-000

shipping industrlasemr:

• cost: $45.50
• service: FedEx Ground / FedEx Home Delivery
• carrier: FedEx
• type: Calculated
• class: Standard
• transit: 3-7 Days

payments industrlasemr:

• credit card: Mastercard
• wallet: Google-pay
• other

general industrlasemr:

• Medical/Lab Equipment Attachments Accessories > Lamps, Bulbs Laser Components > Laser Modules Heads
• condition: For parts or not working

returns industrlasemr:

• time: 30 Days
• method: Money back
• paid by: Seller
• policy: Returns Accepted

offer industrlasemr:

• availability: In Stock
• best offers: True
• started: May 12, 2026
• sold: 0
• quantity: 1
• options: Ship-to-home

seller industrlasemr:

• city: Acton, Massachusetts
• rating: 100.0%
• # reviews: 23615

Nkt Photonics K822-000-000 Is Similar To:

• Exu-3 Nkt Photonics Superk Extreme High Power Supercontinuum White Laser (34.8% similar) 3w frequency: up to 80MHZ, adjustable super continuum lasers the range of super extreme hafnium white light lasers are broad as a lamp and bright laser. Nkt Photonics super extreme EXU-3 high power super continuum white laser this sale is for one system. The super extreme hafnium series provides ...(March 12th, 2019)
• Nkt Photonics A203-545-000 Superk Select Nir1 ir With External Rf Driver And Rs485 Adapter (43.6% similar) Condition: tested and fully functional. High-performance unable wave length filter for use with super super continuum lasers. No power supply. Nkt Photonics - external RF driver A901-100-0 includes manual, power cord, cables, software. Nkt Photonics USB-RS485 adapter A911-100-000 includes manual, ...(April 25th, 2025)
• Nkt Photonics Xps-10 Onefive Origami High Energy Femtosecond Laser (40.4% similar) Buyer is buying the item as-is. Shipping information: for this item is FedEx ground. Comports: specializing in new and used electronics for over twenty five years!:: Nkt Photonics one five origami XPS-10 high energy laser. Item condition: Nkt Photonics one five origami XPS-10 high energy laser. It...(May 12th, 2026)