PIV system components
PIV software KoncertoⅡ supports wide range of cameras
KoncertoⅡis designed to easily add support for new cameras and supports wide range of cameras for PIV, Time Resolved PIV, Micro PIV, LIF, etc.
KoncertoⅡ uses a high resolution digital camera that can capture two images at a time interval of less than a few microseconds with frame straddling technology.We are preparing various types of cameras that are compatible with normal PIV, large scale PIV, time series PIV, micro PIV etc.
We will respond to requests for cameras other than the following on request, so please inquire in detail.
High Speed Cameras
General purpoise type
Low price, high sensitivity general purpose type. It is compact, easy to handle, applicable to various applications.
High speed type
High speed, high sensitivity high performance type.
It is useful for flow measurement in the engine and vortex flow measurement on fluid sound sources.
High resolution type
High resolution type that is suitable for wide range measurement in the wind tunnel, high spatial resolution measurement, PIV,LIF,DIC measurement and so on.
High Resolution Cameras
High resolution Camera
2M, 6M, 11M etc, various PIV exclusive high resolution cameras are supported.
With the frame straddling technology it is possible to capture two images at intervals of less than a few microseconds.
Please contact us for details.
Lasers for PIV
Double pulse laser is widely used for a standard 2D-PIVsystem.
As it has two independent laser heads, the pulseseparation between double pulse is completely flexible. Many other types of PIV lasers, such as CW Q-switchhigh repetition rate pulse lasers for time resolved PIVsystems and CW lasers for Confocal Scanning MicroPIV systems, etc., are available.
Double pulse laser
High repetitive double pulse laser
Fiber delivery is also possible with spatial mode. Suitable for fluid measurement in unsteady state.
You can see by side scrolling.
Feature ■ Double pulse is generated by one resonator ■ Repetition frequency up to 30 kHz ■ Possible to capture time series phenomena ■ Fiber delivery available |
Specification | |
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Wavelength | 527nm / 532nm | |
Repetition frequency | Single shot ~ 30 kHz | |
output | ~100mJ @ 1kHz | |
pulse width | ~200ns ( FWHM ) |
Low repetitive double pulse laser
Double pulse laser of 100 Hz or less. Suitable for PIV measurement of steady flow in a wide range because of high energy.
You can see by side scrolling.
Feature ■ Double pulses are generated by two resonators ■ A3 size laser head ■ Output energy up to 300 mJ ■ It is possible to capture a wide range |
Specification | |
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Wavelength | 532nm | |
Repetition frequency | Single shot ~ 100 kHz | |
Output | ~300mJ @ 10kHz | |
Pulse width | ~13ns ( FWHM ) |
Continuous wave laser
Continuous wave laser
You can select Blue, green, yellow, red for confocal PIV and support up to 20 W @ 532 nm.
You can see by side scrolling.
Feature ■ Output in excellent spatial beam mode ■ Fiber delivery available ■ Easy operation |
Specification | |
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Wavelength | 488nm / 532nm / 561nm / 594nm / 785nm | |
Modulation compatible (some products are not supported) |
Possible | |
output | 300mW @ 488nm 20W @ 532nm 300mW @ 561nm 75mW @ 549nm 75mW @ 785nm |
Optical system for PIV / MicroPIV
We have various optical equipments to be used with PIV such as laser sheet optics, cylindrical lens, 90 degree mirror block, fiber optic optics, light arm etc.
In addition, the optical system dedicated to micro imaging can also support high power pulse lasers, UV lasers and so on.
The micro optical system is a flexible microscope system that can be installed at all angles according to the specimen, such as erecting observation, inverted observation, as well as lateral and diagonal.
Light sheet optics
Light sheet optics BZ-61N
Light sheet generating optical system for visualization.The focal length is a stepless adjustment type.
An up collimator is built in, and an extremely thin light seat is obtained.The light seat opening angle adjustment is a lens interchangeable type, and since cylindrical lenses constitute one sheet, good light sheets can be obtained to both ends.
In addition to directly attaching to the laser head, it can be mounted on a light arm, mounted on an optical fiber, installed alone, etc.
You can see by side scrolling.
You can see by side scrolling.
Example of irradiation range |
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Cylindrical lens | Beam diameter 3.5 mm | Beam diameter 5 mm | ||||
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Light seat opening angle (degree) | Light seat width | Light seat opening angle (degree) | Light seat width | |||
from the probe tip 500 mm (mm) | from the probe tip 1000 mm (mm) | from the probe tip 500 mm (mm) | from the probe tip 1000 mm (mm) | |||
30W | 50 | 220 | 440 | 60 | 280 | 560 |
30 | 25 | 100 | 200 | 30 | 130 | 260 |
50 | 12 | 50 | 110 | 20 | 80 | 160 |
70 | 10 | 40 | 80 | 13 | 55 | 110 |
-100 | 5 | 20 | 55 | 9 | 35 | 70 |
-200 | 4 | 15 | 30 | 6 | 25 | 50 |
-300 | 3 | 10 | 15 | 4 | 15 | 20 |
Light sheet optics BZ-50 series
Simple light sheet optical system for visualization. Applicable to CW laser , and double pulse YAG laser of 50 mJ or less.
The focal length is infinitely adjustable and it is possible to produce light light sheets.
In addition, opening angle adjustment is possible by replacing the tip lens.
Equipment configuration
■ Body
■ Fixing ring
■ Cylindrical lenses
■ Fiber adapter (optional)
Other optics
90 °mirror optical system BZMB-90E
90 °mirror optical system BZMB-90E
Mirror box which can directly mount all products of the BZ series, and it is used to bend the laser light around 90 degrees. The built-in mirror mount has a two-axis gimbal structure, and its center of rotation coincides with the mirror center surface, making alignment easy. Installation of the power monitor is also possible. Select wavelength when purchasing. When using multiple, can connect the blocks with expansion and contraction laser tube.
Adapters and Expander
Light arm and Scope optics
Light arm and Scope optics
Laser light arm LA-150
Laser light arm is an articulated flexible light arm for transmitting pulsed laser light to an arbitrary place. We use this light arm because high-power pulse laser light can not be transmitted by optical fiber. It is safe because it is completely sealed from the laser head to the light sealing irradiation part.
Endoscope
You can see by side scrolling.
Endoscope ES-10S / UV Endoscope ES-10S-UV It is a heat resistant endoscope, available for visible and UV. It is used to measure PIV and LIF inside the combustion chamber of the engine. Probe length, wavelength range, viewing angle, observation direction, magnification etc. can be selected. |
Specifications | |
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Probe diameter | φ10mm | |
Effective length | 250mm | |
Usable wavelength range | Visualization ・ UV ( 280 ~ 600nm ) | |
Viewing angle(FOV) | 45 degree ・ 60 degree ・ 70 degree ・ 100 degree ・ 120 degree |
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Magnification | 2 Double ・ 1 Double ・ 1/2 Double ( Specialty lens addition ) |
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Image circle | φ16mm | |
Material of lens barrel part | ( L ) 135mm × ( φ ) 61mm | |
Lens barrel part size | φ10mm×L251mm | |
Optical path extension / bending | Hinged extension lens barrel | |
Camera connection mount | T2 mount ( C mount · F mount conversion ) | |
Air-cooled tube fitting | Corresponds to φ 4 mm tube |
Periscope
Periscope light sheet probe PL-400
It is a tool for irradiating the light sheet inside the casing of a compressor or turbine, and it is attached to the tip of the light arm for use.
It is a design that can be used at high temperature field and has no parts falling out.
Cassegrain system
The Cassegrain system can enlarge and shoot a microscopic area from a distance by using Makutoff Cassegrain type optical system. It is ideal for spray shooting and burning field shooting, which can not observe objects as close-up as ordinary microscope. The Cassegrain system has no aberration and has resolution of micron order. Because the relative speed increases with shooting, the high-speed video coupling unit is prepared to correspond to various high-speed shooting equipment.
Features
■ Type: Makhstov Cassegrain method ( main mirror: aspheric surface )■ Correction lens / secondary mirror: effective diameter 115/30 mm
■ WD:150mm~600mm
■ Resolution: 2.8 μm at 300 mm, 4.1 μm at 600 mm
■ Mount type: C mount · CS mount · T2 mount compatible
■ Eyepiec:for focus
■ Imaging circle:φ 24 mm
■ Effective resolution image circle: φ12 mm (1 inch correspondence )
■ Optical path switching:beam splitter method
■ In-focus method:stage and main mirror movement method (micrometer)
Seeding system
Seeding is an important technology in PIV.The seeding particle generator for airflow measurement is most suitable for measurements requiring a large amount of seeding such as high speed airflow and large wind tunnel.
As is common in PIV, how to spread seeding particles evenly is an important point.We have various types of models that match the application, including CTS - 1000, the next - generation large particle size seeding generator.
■ Air / gases : Laskin nozzle type of oil particle seeding generator
■ Combustion and plasma : solid particle generator
■ Water / liquid : Micro bubble generator
■ Seeding rakes : Dispersing the seeding smoke with uniform density. It is especially useful for a blow down wind tunnel.
Seeding Generator
Large particle size lquid Seeding Generator
You can see by side scrolling.
CTS-1000 and CTS-4000 Next generation seeding generator . CTS-1000 can generate a large amount of uniform oil mist of about 3 microns. Although the measurement range was limited due to the limit of scattered light intensity so far, using CTS - 1000 makes PIV measurement in a wider range possible. Moreover, it becomes possible to suppress the laser intensity, and safer measurement becomes possible with cost reduction. Probe length, wavelength range, viewing angle, observation direction, magnification etc. can be selected. |
Specifications | |
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Oil used | DOS | |
Driving medium | Compressed air ( about 4 atm ) | |
Vomit amount | 3 liters per second | |
Particle size | About 3 microns | |
Particle size adjustment | Possible | |
External dimensions | H : 446 mm X W : 200 mm X D : 250 mm | |
Weight | about 8.2 kg |
It is possible to generate a uniform and large amount with a particle size of about 3 μm.
Compared with conventional products, PIV measurement in a wider range is realized.
Comparison of PIV measurements with CTS-1000 and Raskin nozzle type.
RASKIN Nozzle type seeding particle generator PIV Part series
You can see by side scrolling.
Solid seeding particle generator PIV Solid series
You can see by side scrolling.
Seeding Rake
Seeding Rake SR-2315
Seeding rake SR-2315
Seeding rake is used for spreading seeding evenly and efficiently.Ideal for spot-based measurements in wind tunnels and high-density seeding.
Diffusion of seeding particles evenly is very important for the accuracy of PIV.
In order to diffuse uniformly, global seeding that scatters the whole wind path is the best method.If you keep spreading seeding from the downstream position of the measuring part of the wind tunnel, the whole air passage will be filled with seeding particles.For PivPart 45 it will be ready for measurement in a few minutes even in a large wind tunnel.
However, with this method, a large amount of seeding particles will be forced into the air duct for a long time.This method should be avoided as much as possible considering the impact on the wind tunnel.So we use seeding spray porous nozzle called seeding rake.Seeding rake is a collection of multiple tubules with pores opened.We will install it just after the rectification cave and spray it.Uniform seeding is possible without affecting the flow, and it is possible to do with the minimum necessary seeding amount.It can correspond to various sizes and uses.
Other Components
We provide all components such as timing controller which is indispensable for PIV measurement,Scheimpflug mount required for stereo PIV imaging and Calibration target.In addition, we can also produce traversers etc. according to demand.
■ Timing controller
■ DT Accretate
■ Scheimpflug camera mount
■ Calibration target
Timing controller
Timing controller
You can see by side scrolling.
Timing Controller TT1680/LC880 Koncerto supports TT1680 and LabSmith LC880. TT1680 has 8 physical output channels, 8 logical output channels and 8 input channels. LC880 has 8 output channels and 8 input channels. ■ Synchronization control of pulsed laser and various cameras ■ Synchronous measurement of rotating machine such as engine ■ Construction of PIV system · LIF system etc ■ Synchronous imaging and measurement in ballistic test ■ Synchronous measurement in impact wind tunnel |
Specifications | |
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Timing processor trigger pulse delay | Min 50ns / Max 1370 sr | |
Trigger pulse width | Min 7.7 μs / Max 1370 s | |
Delay・pulse resolution | Min / Max 10 ns | |
Delay・pulse width resolution | Min / Max 10 ns | |
Delay pulse width jitter from asynchronous source | 10ns | |
Delay pulse width jitter from internal source | Max 200 ps / Typ 50 ps ( 0 ~ 50 ℃ ) | |
Timing absolute accuracy | Max 0.1 % / Typ 0.01 % | |
Internal timing | Min 1.5626 MHz / Max 100 MHz | |
External timing | Min 1 MHz / Max 100 MHz | |
External trigger pulse width | 50 ns |
DT Accretate
DT Accretate ( Optional functions of Koncerto II )
Δt The automatic correction function is a function to guarantee high accuracy with measurement requiring a very small Δt, such as ultra high-speed flow and high-speed flow of minute scale.
For super high-speed flow, high-speed flow of minute scale, etc., it is necessary to shorten the interval (Δt) of double pulse to 100 nanoseconds or less.In such a time scale, errors in the build-up time of the laser and various timing-based minute errors become relatively large, and the difference between the set Δt and the actual laser pulse interval may reach 10 to 20%.
Δt The automatic correction function is a function to directly measure the interval of the actual double pulse laser light with a high speed photodetector and automatically reflect the measured value to the speed calculation value.
This enables high precision measurement similar to ordinary measurement even in super high speed flow.
■ System configuration
■ High speed photo detector
■ Double pulse interval measurement unit
Build-up time error
The build-up time is the time from the input of the Q switch signal by the pulse laser until the laser pulse is actually oscillated, which is about 20 to 70 nanoseconds depending on the model.
The build-up time varies slightly depending on the oscillation state of the laser.
Because double pulse laser uses two independent lasers, there may be difference in build up time of individual lasers, this time difference is build up error.
Since the build-up error becomes relatively large in the measurement of ultra-fast flow such as Δt less than 100 nanoseconds,it is necessary to measure and correct the interval of actual laser pulse light.
Camera mounts
Scheimpflug camera mounts SCM-1
Scheimpflug Camera Mount is a camera mount for accurate focus adjustment of the entire area of the shooting area with stereo PIV.
In stereo 3D PIV, Camera views the light sheet from an oblique angle. Scheimpflug camera mount ensures all the areas of off-normal object plane in focus. Rotation axis is on the center of the sensor. It ensures no image offset when aligning the Scheimpflug angle.
Features
■ Robust design for image measurement.■ Mounted so that the tilt rotation axis for Shine Flush angle adjustment is coaxial with the sensor center axis.Even if the Shine Flag angle is adjusted, the field of view will not move to the right or left and alignment is easy.
■ Even when the camera is detached from the Scheimpflug Mount by a high-precision camera mounter and used as a single unit and mounted again, the Scheimpflug swing axis and the sensor center axis precisely match with each other. (※1)
■ It can be fixed stably even with a large high speed video camera.
■ Most of the cameras supported by Koncerto II can be mounted by the height adapter plate.
■ Select the height adapter plate at the time of purchase.
■ An inverted mount is also possible. For example, in measuring the flow under the floor of an automobile, it is necessary to install the camera at the height of the floor. In such a case, it is possible to arrange a Scheimpflug mount on top of the camera and hang it from above.
■ Electric options are also available.
※1
In order to create a Scheimpflug condition, you will wilt the lens or camera, but the field of view will be shifted to the left or right even if you touch it. In the stereo PIV, the target center is aligned with the center of the field of view in order to maximize the resolution, so if the field of view is shifted by adjusting the Scheimpflug angle, the field of view must be returned. Since the Scheimpflug angle also changes by returning the field of view, it is necessary to repeat the operation to drive it.Especially at super high resolution cameras the frame rate is also slow, skill is necessary for this work. The SCM - 1 is adjusted for each camera at the time of shipment so that the center axis of the tilt and the sensor center axis of the camera accurately coincide.Therefore, even if you adjust the tilt, the field of view will not be shifted and alignment will be completed easily with one adjustment.
Calibration targets
Camera calibration Target
Camera calibration is very important for accurate PIV measurement in stereo 3D-PIV and 2D-PIV with distorted images. Flat and multi height, double sided types of many sizes are available.There are flat type and multiple section type.Various sizes and dot densities are prepared for each, and it can be selected according to the application.
◆ Flat target (single side type, double side type)
Planar targets must traverse about 3 to 5 cross sections in the out-of-plane direction.This type issuitable when traverse is possible and precision is pursued.Increasing the traverse cross section increases accuracy.One side type is used when both of the cameras are installed on one side of the light sheet.Double sided type can be used with pinched camera arrangement.Travers can also be powered and automatically controlled by Koncerto.
◆ Ultra large lightweight target
2000mm ~ 2000mm is available. Please contact us.
◆ CLP type double-sided multi-section target
Traverse is unnecessary target.This type is convenient when traverse can not be performed in a closed space, or when there is no such window that the image is distorted between the camera and the light sheet. Generally this type is suitable for wind tunnel.In the conventional double-sided, multi-section target, the height of the lower surface of both sides does not match due to the thickness of the plate, so it is necessary to correct the focus after the calibration in the calibration of the pinch camera arrangement, which causes the error It was getting.Since the height of the low surface of the CLP type is the same on both sides, high precision calibration is possible.In addition, since the dots on the high surface and the dots on the low surface are alternately arranged, the interpolation accuracy by software becomes uniform.
◆ CLP-DPDS
Double Plane Double Side type. It has common lower plane which ensures the accurate camera calibration when the cameras are located on both sides of laser light sheet in Stereo 3D-PIV
◆ SPDS
Single Plane Double Side Flat type. This type requires target traverse to record multiple height of images.But it ensures accurate measurement.
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Specifications | ||||
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Model name | Target Type | One side / both sides | Dot sense | size※ |
SPSS-SD-micro-size | Plane (for micro PIV) | One side | standard | 1 mm ~ 5 mm |
SPSS-SD-size | Plane | One side | standard | 5 mm ~ 1000 mm |
SPSS-HD-size | Plane | One side | High density | 20 mm ~ 1000 mm |
SPDS-SD-size | Plane | both sides | standard | 5 mm ~ 1000 mm |
SPDS-HD-size | Plane | both sides | High density | 20 mm ~ 1000 mm |
CLP-DPDS-size | CPL type multi-section | both sides | standard | 20 mm ~ 1000 mm |
Contact
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