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Solid State Lasers and Laser Diodes from RPMC Lasers Inc » Products » Laser Doppler Velocimetry Lasers

Laser Doppler Velocimetry Lasers

Laser Doppler velocimetry is a method for measuring the velocity of transparent, or semi-transparent fluids.  This process relies on a shift in frequency of the output beam to calculate the speed at which the fluid is moving.  Unlike its counterpart, particle imaging velocimetry, the Doppler variation does not require a particle to be added to the flow reducing the sample preparation and contamination.  It must be noted though that the signal detection and processing can be somewhat complicated.   Since this change in frequency tends to be relatively small, it is essential that the laser source is highly coherent and stable. For this reason, single-frequency continuous-wave laser sources are ideal.  On this page, you will find our full range of single-frequency laser sources for this application

RPMC has years of experience supporting Laser Doppler Velocimetry applications, helping industry professionals select the right tool for the job.

Contact us today to let one of our knowledgeable Product Managers assist you!

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Picture Part Number Type Wavelength (nm) Output power (W) Mode Output Linewidth
1030L-2XB: 1030nm Laser (SLM DPSS; MATCHBOX 2) 1030L-2XB CW DPSS Lasers 1030 0.200, 0.280, 0.400 Single-Mode Lasers, Multimode Free Space, MM Fiber, SM Fiber, PM Fiber Narrow
1064L-2XB: 1064nm Laser (SLM DPSS; MATCHBOX 2) 1064L-1XB CW DPSS Lasers 1064 0.300, 0.400, 0.500 Single-Mode Lasers, Multimode Free Space, MM Fiber, SM Fiber, PM Fiber, SMA Port
1064L-2XB: 1064nm Laser (SLM DPSS; MATCHBOX 2) 1064L-2XB CW DPSS Lasers 1064 0.200, 0.280, 0.400 Single-Mode Lasers, Multimode Free Space, MM Fiber, SM Fiber, PM Fiber Narrow
320 NX CW DPSS Lasers 320 0.050, 0.100, 0.200 Single-Mode Lasers Free Space Narrow
349 NX CW DPSS Lasers 349 0.050, 0.100, 0.200 Single-Mode Lasers Free Space Narrow
IO Matchbox 405nm Laser 405L-2XA LD Module 405 0.015, 0.030, 0.040 Single-Mode Lasers Free Space, MM Fiber, SM Fiber, PM Fiber Narrow
488L-2XA: 488nm SLM Laser (VBG Diode; MATCHBOX 2) 488L-2XA LD Module 488 0.010, 0.015, 0.030 Single-Mode Lasers Free Space, MM Fiber, SM Fiber, PM Fiber Narrow
520L-2XA: 520nm SLM Laser (VBG Diode; MATCHBOX 2) 520L-2XA LD Module 520 0.025, 0.035, 0.040 Single-Mode Lasers Free Space, MM Fiber, SM Fiber, PM Fiber Narrow
633L-2XA: 633nm SLM Laser (VBG Diode; MATCHBOX 2) 633L-1XA LD Module 633 0.100 Single-Mode Lasers Free Space, MM Fiber, SM Fiber, PM Fiber
633L-2XA: 633nm SLM Laser (VBG Diode; MATCHBOX 2) 633L-2XA LD Module 633 0.035, 0.040, 0.070 Single-Mode Lasers Free Space, MM Fiber, SM Fiber, PM Fiber Narrow
638L-2XA: 638nm SLM Laser (VBG Diode; MATCHBOX 2) 638L-2XA LD Module 638 0.060, 0.080, 0.100 Single-Mode Lasers Free Space, MM Fiber, SM Fiber, PM Fiber Narrow
638L-2XA: 638nm SLM Laser (VBG Diode; MATCHBOX 2) 638L-4XA LD Module 638 0.300, 0.500 Multimode Free Space, MM Fiber Narrow
783L-2XA: 783nm SLM Laser (VBG Diode; MATCHBOX 2) 783L-2XA LD Module 783 0.070, 0.080, 0.100 Single-Mode Lasers Free Space, MM Fiber, SM Fiber, PM Fiber Narrow
785L-2XA: 785nm SLM Laser (VBG Diode; MATCHBOX 2) 785L-2XA LD Module 785 0.080, 0.100, 0.130 Single-Mode Lasers Free Space, MM Fiber, SM Fiber, PM Fiber Narrow
785L-4XA: 785nm Laser (HP VBG Diode; MATCHBOX 2) 785L-4XA LD Module 785 0.120, 0.150, 0.500, 0.700 Multimode Free Space, MM Fiber Narrow
830L-2XA: 830nm SLM Laser (VBG Diode; MATCHBOX 2) 830L-2XA LD Module 830 0.050, 0.070, 0.080 Single-Mode Lasers Free Space, MM Fiber, SM Fiber, PM Fiber Narrow
830L-4XA: 830nm Laser (HP VBG Diode; MATCHBOX 2) 830L-4XA LD Module 830 0.350 Multimode MM Fiber, SMA Port Narrow
LBX-633S LD Module 633 0.040 Single-Mode Lasers Free Space, MM Fiber, SM Fiber, PM Fiber Narrow
LBX-830S LD Module 830 0.100 Single-Mode Lasers Free Space, MM Fiber, SM Fiber, PM Fiber Narrow
LCX-1064S CW DPSS Lasers 1064 0.100, 0.200, 0.300, 0.400, 0.500 Single-Mode Lasers Free Space, MM Fiber, SM Fiber, PM Fiber Narrow
LCX-532S CW DPSS Lasers 532 0.050, 0.100, 0.200, 0.300 Single-Mode Lasers Free Space, MM Fiber, SM Fiber, PM Fiber Narrow
LCX-553S CW DPSS Lasers 553 0.050, 0.100 Single-Mode Lasers Free Space, MM Fiber, SM Fiber, PM Fiber Narrow
LCX-561S CW DPSS Lasers 561 0.100, 0.150, 0.200 Single-Mode Lasers Free Space, MM Fiber, SM Fiber, PM Fiber Narrow
LSX-785S LD Module 785 0.150 Single-Mode Lasers Free Space, MM Fiber, SM Fiber, PM Fiber Narrow
Solo-640 Solo-640 CW DPSS Lasers 640 0.500, 0.750, 1.0 Single-Mode Lasers Free Space Narrow
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Matchbox Series

R1Z4-Matchbox Laser

The Matchbox series offers excellent performance and reliability in an ultra-compact “all-in-one” integrated laser head.  They come standard with an integrated internal voltage up-conversion that allows using a 5V power supply while maintaining low noise operation. The monolithic design of the Matchbox Series laser includes thermally stabilized optics in a hermetically sealed housing, ensuring reliable and maintenance-free operation.  All the Matchbox series modules include a 12-month warranty and are RoHS compliant.  All of these features make them the ideal laser source for integration into commercial flow cytometers.

Unik Series

UnikLaser Solo-780.24 QT

The Unik series of CW single-frequency lasers, featuring the Solo and Duetto configurations, are available at a variety of wavelengths with high average powers, making them well suited for a variety of highly specialized scientific and industrial applications. BRaMMS Technology® enables superior performance, high output powers, and outstanding beam properties in an overall compact footprint. The Unik Lasers Solo and Duetto series are utilized in a range of applications including holography, metrology, spectroscopy, and quantum technology.

LaserBoxx SLM Series

The LaserBoxx-SLM Series is a single longitudinal mode (SLM) CW diode laser module available in wavelengths at 633nm, 785nm, and 830nm delivering ultra-narrow linewidths thanks to its excellent temperature stability and low noise current. The Oxxius proprietary, embedded firmware locks the laser on the same mode at each startup. This compact, self-contained laser module is available in turn-key or OEM versions and utilizes a proprietary alignment-free, monolithic resonator, and comes standard with a graphic user interface with remote diagnostics via USB, RS232, or direct I/O interface.