ユニソク List of Products and Services

The "picoTAS" is a picosecond transient absorption spectroscopy system that can observe the light absorption signals of intermediates over a wide range of both time and wavelength. It completely covers the gap time range (1 ns to 20 ns) and can seamlessly measure a broad wavelength range from visible to near-infrared. Additionally, it allows for measurements over a wide time domain of more than six digits, from 100 picoseconds to milliseconds, enabling the observation of the entire process from the generation to the disappearance of various intermediates. 【Features】 ■ Completely covers the gap time range (1 ns to 20 ns) ■ Transient absorption measurements from 100 picoseconds to milliseconds ■ Wide measurement wavelength range from visible to near-infrared ■ Removes luminescence signals to measure pure transient absorption ■ Pump light and probe light are asynchronous *For more details, please refer to the PDF document or feel free to contact us.

• Optical Measuring Instruments
• Other measurement, recording and measuring instruments

picoTAS enables transient absorption measurements in the time range of 100 ps to ms, including "blank time periods" from 1 nanosecond to 20 nanoseconds, which were difficult to measure with conventional methods, using the new technology RIPT (Randomly Interleaved Pulse Train Method). Furthermore, because it can subtract the effects of luminescence, it allows for the observation of transient absorption signals in reaction systems that were previously unobservable, regardless of whether the samples are luminescent or non-luminescent. picoTAS opens up new avenues for photochemical research from fundamental studies to applications.

• Spectroscopic Analysis Equipment

At our company, we would like you to confirm the performance of the products you are interested in before making a purchase, and we hope you will be satisfied with your purchase afterward. We also wish to assist customers who may find it difficult to purchase equipment by allowing them to conduct measurements, contributing to their research. Therefore, we have established a demonstration room for our latest products and offer on-site experiments (free or for a fee*).

• Spectroscopic Analysis Equipment

- Real-time measurement using high-speed optical detectors and oscilloscopes - Compact design using a small pulse laser - Capable of near-infrared emission - Spectrometer option

• Spectroscopic Analysis Equipment

CoolSpeK is a compact cryostat that is user-friendly. It uses liquid nitrogen as a refrigerant, allowing for very fast cooling speeds and enabling cooling to low temperature ranges that are difficult to achieve with circulating thermostats. Additionally, we provide installation adapters for various manufacturers' UV-Vis spectrophotometers, fluorometers, and infrared spectrophotometers, making it easy to install the CoolSpeK unit inside the sample chamber of different spectrophotometers. We offer a variety of options, including low-temperature compatible IR liquid cells, to provide equipment that meets our customers' needs.

• Analytical Equipment and Devices
• Spectroscopic Analysis Equipment

- Compatible with both solution and solid - Two-liquid mixing & reaction measurement - Temperature control with a unit of -0.1°C - Compact and lightweight - No vacuum pump required

• Analytical Equipment and Devices
• Spectroscopic Analysis Equipment

- Solution injection from the outside via a Teflon tube - Reaction process of the two liquids can be measured due to the built-in mixer - Optical path length is variable at 0.1, 0.2, and 0.5 mm - Window materials can be selected from CaF2, MgF2, and KRS-5 - Contact parts can be selected from ceramic and titanium alloy - Using our liquid delivery device allows for uniform mixing

• Analytical Equipment and Devices
• Spectroscopic Analysis Equipment

This is a stop-flow device designed with a thin optical path direction to enable measurements of stop-flow kinetics at synchrotron facilities (especially small-angle scattering beamlines) and commercially available circular dichroism spectrometers. It can also be used for protein folding experiments, and its mixing efficiency is unmatched by competitors. The dedicated controller allows for manual control of valve switching, mixing initiation, and external control. We provide observation cells and base adapters tailored to your application.

• Analytical Equipment and Devices
• X-ray inspection equipment
• Spectroscopic Analysis Equipment

The flash photolysis method is a technique that captures the "instant" state of a target substance using the absorption and emission of light as a probe. While many studies have been conducted in the ultraviolet to visible light wavelength range as probes, the usefulness of the near-infrared region has been increasingly recognized in recent years. On the other hand, the time resolution of the measurement system is determined by the time width of the pulse excitation source that induces a reaction in the substance and the time resolution of the detector.

• Analytical Equipment and Devices
• Spectroscopic Analysis Equipment

The laser flash photolysis method is a technique for tracking various high-speed reactions induced by pulsed light, ranging from nanoseconds to seconds, through transient absorption and emission in the ultraviolet, visible, and near-infrared regions. It allows for the analysis of various reaction mechanisms such as photoisomerization of materials and biomolecules, triplet-triplet absorption, phosphorescence, electron transfer, charge separation, energy transfer, photodecomposition, and photoreaction cycles, as well as the evaluation and comparison of related substances and new materials. Our laser flash photolysis system is utilized in cutting-edge fundamental research and development fields, including energy and environmental-related areas such as solar cells and photohydrogen production, as well as in the development of photofunctional materials, coordination chemistry, and biophysics.

• Analytical Equipment and Devices
• Spectroscopic Analysis Equipment

The stopped-flow method is a technique that rapidly mixes a sample solution and instantly stops the flow, allowing for the high-speed measurement of changes in the absorption spectra and fluorescence of the sample solution in the visible, ultraviolet, and near-infrared regions. It can measure the reaction rates of various fast reactions on the order of milliseconds to seconds, such as homogeneous catalyst reactions, enzyme reactions, redox reactions, structure formation, and particle generation, as well as detect short-lived intermediates. This enables the evaluation of reaction activity, derivation of activation energy, analysis of reaction mechanisms, assessment of inhibitors and promoters, and comparison of the properties of related substances and new materials.

• Analytical Equipment and Devices
• Spectroscopic Analysis Equipment

HELIOS is a femtosecond pump-probe transmission absorption measurement device that boasts overwhelming ease of use and an astonishingly low noise level. It features an innovative optical system and fits on a compact breadboard measuring 610 × 915 mm. It can acquire time, wavelength, and absorbance data with a noise level of 0.0002 OD (typical value) in just 30 minutes. It is compatible with femtosecond lasers from various manufacturers.

• Analytical Equipment and Devices
• Spectroscopic Analysis Equipment

HALCYONE is a user-friendly up-conversion fluorescence measurement device. It is housed on a compact breadboard measuring 610 × 915 mm and consists of a mirror, filter, BBO crystal, photomultiplier tube, and an automated spectrometer with a delay stage. In up-conversion mode, it allows for easy measurement of fluorescence lifetime with a laser pulse width multiplied by 1.4, and in TCSPC mode, it offers a time resolution of 200 ps. With the optional automatic crystal angle adjustment feature, time-resolved fluorescence spectra can also be obtained.

• Analytical Equipment and Devices
• Spectroscopic Analysis Equipment

- A sample mixing device that enables stop-flow measurements from -60℃ to room temperature. - By incorporating the RSP-1000 rapid scan system and the TSP-1000 nanosecond transient absorption spectrometer, it demonstrates optimal performance.

• Analytical Equipment and Devices
• Spectroscopic Analysis Equipment

This is a syringe pump that can deliver two types of solutions with a free speed profile using a high-output DC servo motor. By combining it with stop-flow technology developed over many years (complete mixing mixers with millisecond precision and high-speed spectroscopic systems), it can be used for reaction analysis, synthesis reactions, and microvalve generation, among other applications.

• Analytical Equipment and Devices
• Syringe Pump
• Spectroscopic Analysis Equipment

A single mixing and double mixing can be performed with one unit. It is a device that mixes the third liquid after mixing the two liquids, after a specified time.

• Analytical Equipment and Devices
• Spectroscopic Analysis Equipment

A highly stable lamp optimal for high-speed spectroscopy, halogen lamps can be used for visible to near-infrared applications.

• Analytical Equipment and Devices
• Spectroscopic Analysis Equipment

This is a scanning probe microscope (SPM) system capable of a wide range of applications such as STM, AFM, and SNOM in ultra-high vacuum (below 10^-8 Pa) and at room temperature. Its compact and simple structure, along with an excellent vibration isolation mechanism, makes high-resolution SPM measurements easy to achieve.

• Microscope
• Analytical Equipment and Devices

Sample pretreatment and probe cleaning are performed in ultra-high vacuum, allowing STM and AFM to observe with atomic and molecular level resolution at ultra-low temperatures. We are equipped with new probes and auxiliary devices to accommodate the expanding range of applications in recent years.

• Microscope
• Analytical Equipment and Devices

This is a new type of ultra-low temperature strong magnetic field SPM system with a low overall height, excellent operability, and cost performance. AFM measurements can also be supported as an option.

• Analytical Equipment and Devices

This device adopts a newly developed cryostat and is a state-of-the-art low-temperature SPM system equipped with STM and AFM functions, which can be used for entirely new applications such as near-field optical measurements and Raman spectroscopy.

• Microscope
• Analytical Equipment and Devices
• others

This is a high-performance STM that achieves the lowest reaching temperature and strong magnetic fields among commercially available products, actively contributing to the forefront of surface science research. It can be equipped with the necessary sample pretreatment systems tailored to research objectives. It is an essential research facility for cutting-edge superconductivity and low-temperature physics research.

• Microscope
• Analytical Equipment and Devices
• others

The UMP-1000-4P is a manipulator/prober capable of operating on the nanometer level in the XYZ3 axes. It consists of four standard XYZ3-axis piezo stages, one sample stage, and one stage controller.

• Analytical Equipment and Devices
• Glassware and containers
• others

■ Sample micro-nano manipulation ■ Measurement of various electrical properties of the sample surface using multi-probing

• Microscope
• Analytical Equipment and Devices

The UP-100U is a manipulator/prober capable of operating on the nanometer level in the XYZ three axes and rotational axis. By combining it with commercially available SEM/FIB/optical microscopes, it can be used for various applications such as manipulation/probing at the micro/nanometer scale.

• Microscope
• Analytical Equipment and Devices

The compact design allows for integration into various scanning electron microscopes (SEM), focused ion beam systems (FIB), and more (details available upon consultation). Models capable of detecting rotation angles are also available as an option. By installing our XYZ 3-axis nanopositioner/prober's Z stage, it is possible to support a 4-axis stage with XYZ + R (rotation). Easy operation using a Windows PC has been achieved.

• Microscope
• Analytical Equipment and Devices

This is a multi-source deposition system that can deposit trace amounts of metals or organic materials onto the surface of samples in ultra-high vacuum. Optional features such as shutters and film thickness measurement can be added. <Features> - A compact and cost-effective crucible-type ternary or quaternary deposition source - Two models available: a multi-source high-temperature evaporator (temperature range 700°C to 1700°C) UE-103C/104C series and a multi-source evaporator (temperature range 150°C to 800°C) UE-203C/204C series - Optional shutter addition and film thickness measurement functionality <Applications> Deposition of trace amounts of metals or organic materials onto the surface of target samples in ultra-high vacuum.

• Microscope
• Analytical Equipment and Devices

The K-cell deposition source heats the deposition material in a high vacuum and deposits it onto the target surface. It consists of the deposition source body and a power cable that includes a thermocouple cable.

• Microscope
• Analytical Equipment and Devices
• others

It is equipped with a function to detect changes in current and automatically stop the current, allowing for the reproducible production of sharp, advanced probes.

• Microscope
• Analytical Equipment and Devices

!! No troublesome needle processing required *2, stable STM measurements possible!! It has been confirmed that atomic images can be obtained stably without the need for high-temperature heating treatment during HOPG observation in the atmosphere and gold observation in ultra-high vacuum. *2: Limited to nickel and platinum-iridium probes. However, if the observation surface is active, heating for degassing is recommended. - STM probes do not tolerate carbon deposition associated with SEM observation, so only extraction SEM inspection will be performed.

• Microscope
• Analytical Equipment and Devices

!! The tip shape is advantageous for multi-probe use with a small inclination angle!! The probe shape has a small inclination angle that takes into account the possibility of adjacent probes not making contact when they approach each other at sharp angles. !! Soft contact with the sample is possible *1 !! The PtIr-coated tungsten probes and platinum-iridium probes, which have surfaces made of platinum-iridium, allow for quick conductivity upon contact due to the absence of an oxide film on the surface. This minimizes damage to both the sample and the probes. Additionally, nickel probes can also achieve quick conductivity upon contact with low contact resistance, similar to platinum-iridium probes. *1: Excluding tungsten probe P-100WP

• Microscope
• Analytical Equipment and Devices

It is possible to create a surface structure with smooth terraces that are stable in atmospheric pressure and aligned in orientation through simple processing.

• Microscope
• Analytical Equipment and Devices