The RADIANT tunable laser series utilizes optical parametric oscillator technology to generate wavelengths over a broad range in the MIR. Integration of system components into one compact unit increases ruggedness, minimizes misalignment and allows the user to reposition the system. Included verification hardware enables the user to confirm that beam paths are preserved after shipment or relocation. Hermetically sealed modules protect sensitive optical materials from the environment. A built-in red laser diode is aligned to overlap with the mid-IR output for beam guidance. Wavelength tuning is hands-free and PC controlled.

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Wavelength Range [nm]:

2700 – 3100 ; 3000 – 3450

Peak OPO Energy [mJ]:


Spectral Linewidth [cm-1]:

3 – 4

Beam Divergence [mrad]:

10 x 5 (FWHM)

Linear Polarization:


UV Tuning [nm]:


Residual Pump Energy [mJ]:


Dimensions [in (mm)]:

27.5 (699) x 16.5 (419) x 11.0 (279)

Pump Wavelength [nm]:


Repetition Rate [Hz]:

10 or 20

Pulse Length [ns]:


Beam Diameter [mm]:

6.5 or 9

Trigger Connections:


PSU Dimensions [in(mm)]:

20 (508) x 11.1 (282) x 20 (508)

PSU Cooling:

Closed-loop air-water cooled

Build Your Product
Option 1 Group

Wavelength Range

Choose between two wavelength ranges based on the OPO crystal material. Only one wavelength range available for each system.

Option 3 Group

Motorized Variable Attenuator

Vary the OPO pulse energy by choosing the Motorized Variable Attenuator (MVA) option. By default the end-user changes the OPO pulse energy by changing the pump laser pulse energy through software command. However, OPO pulse-pulse energy instability increases at lower pump laser energy levels. The MVA option involves maintaining the pump laser pulse energy at maximum and using optical attenuation to change the OPO pulse energy without compromising energy stability. The MVA option connects through the electronics unit for computer control. Placement of the attenuator results in about 10% optical loss. If needed the MVA can also be removed for full energy access and reinstalled without need for alignment.

Option 2 Group

Repetition Rate

Choose between 10 and 20 Hz pulse repetition rates.

Option 4 Group

Software Development Kit

Software Development Kit (SDK) that allows end-users to integrate system control functions into third-party software can be downloaded for no charge. The SDK works under most Windows-based programming environments and provided with limited technical support.

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