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Prima – 3-Color Picosecond Laser

Prima is a solution for researchers who 

  • need more than one wavelength
  • don’t have space in the lab
  • measure a short decay time (ns) and a long one (µs-ms)
  • deal with materials that have a poor luminescence quantum yield
  • would like to avoid daily alignment and laser maintenance


Prima provides the 3 most commonly used in materials science, chemistry and life science

Red, green, and blue: the three most utilized wavelengths

Each colour can be generated individually, one at a time. These wavelengths are the three most commonly used in materials science, chemistry and life science for routine excitation in spectroscopy or microscopy applications to study a wide range of samples, including novel nanomaterials or quantum dots.

Pulsed, CW, and fast switched emission modes

Prima offers full flexibility, enabling you to perform time-resolved or steady-state measurements. Fast cw switching is a smart solution for measuring longer lifetimes in the µs to ms range. It is especially efficient for materials with a poor luminescence quantum yield. The pulsed mode can be driven either internally at selected repetition rates between 100 Hz and 200 MHz or externally, with rates ranging from single shot up to 200 MHz. Moreover, you can combine Prima with other laser diode heads to create even more sophisticated excitation patterns, such as bursts, Pulse Interleaved Excitation (PIE), or Alternative Laser Excitation (ALEX). Detecting singlet oxygen luminescence

General specifications

Optical out
Available wavelengths1 [nm] 450 515 640
Max pulsed power2 [mW] 10 10 10
Pulse duration [ps] < 100 < 170 < 100
Max CW power [mW] 50 50 50
Beam dimension3 [mm] 0.55 ± 0.10 0.6 ± 0.10 0.8 ± 0.10
Beam circularity typ. > 0.5 typ. > 0.5 typ. > 0.5
Polarization typ. linear
Polarization Extinction Ratio (PER) typ. > 1:10 (> 10 dB)
Spectral width FWHM [nm] (pulsed) < 4 nm < 6 nm < 2 nm
Spectral width FWHM [nm] (CW) < 2 nm < 3 nm < 2 nm
Repetition rates
Range User selectable 1 kHz to 200 MHz
1000 increments of 1 kHz from 1 to 999 kHz
200 increments of 1 MHz from 1 to 200 MHz
Range 0 Hz to 200 MHz
Trigger level -1V … +5V into 50 Ohm
Jitter < 20 ps
Connector SMA
Synchronization output
Amplitude < -800 mV into 50 Ohm (NIM)
Connector SMA
Rise / Fall Time < 3 ns
ON Time Gate freely adjustable from < 10 ns to 1 ms
OFF Time Gate
(as a factor of ON Time Gate)
freely adjustable from 1 to 255
Impedance 10 kOhms with pull-up
50 Ohms with pull-down
Connector SMA
Size (h x w x l) 75 x 83 x 140 mm
Weight approx. 1 kg
Temperature range 15 – 35 °C
Rel. humidity < 80 % (non condensing)
Maximum power consumption < 30 W
PC interface USB 2.0
Connector USB-C
Operating system WindowsTM 10

1 Typical value in Pulsed mode. A slight shift to longer wavelengths in CW mode.
2 This is the maximum average power at maximum intensity setting and max repetition rate. A pulse broadening up to 500 ps FWHM is possible at maximum intensity setting.
3 Measured at 1 m distance from laser aperture.
Laser Class 3b / IIIb warning label


All Information given here is reliable to our best knowledge. However, no responsibility is assumed for possible inaccuracies or omissions. Specifications and external appearances are subject to change without notice.

The Prima 3-Color Picosecond Laser can be used for various applications. It is the ideal tool for covering most of your daily needs when it comes to exciting a broad range of samples for tasks such as