diff --git a/qspace.py b/qspace.py
index 6930afc..2a26b14 100644
--- a/qspace.py
+++ b/qspace.py
@@ -11,6 +11,9 @@ from slic.devices.device import Device
 from slic.devices.simpledevice import SimpleDevice
 from slic.utils.printing import printable_table
 
+from undulator import Undulators
+from undulator import Mono
+from undulator import Coupled_MonoUnd
 
 INDICES = {
     "h": 0,
@@ -245,7 +248,12 @@ nu = Motor("SATES30-RIXS:MOT_DRY.VAL")
 
 # and this to the machine wavelength (maybe this needs to be calculated from the energy? then we should add a Wavelength wrapper...)
 # wl = Wavelength(PVAdjustable("MACHINE:ENERGY"))
-wl = Wavelength(mono)
+mono_name =  "Athos_mono"
+pv_mono_name="SATOP11-OSGM087"
+
+Mon = Mono(pv_mono_name=pv_mono_name, mono_name=mono_name)
+
+wl = Wavelength(Mon)
 
 # put it all together:
 q = QSpace3D("SOMETHING:Q", mu, chi, phi, nu, wl)