Home Forums Nazca Pining two arcs to the both sides of a rectangular box

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• #6393
caspian1360
Participant

Dear Ronald,

How can I pin two arcs with (width=3, angle=60, radius=100) to the both sides of a box with (length=4, width=3)?
In other words, I have a box in the middle and I want to attach the arcs with above specifications to the sides of the box (width=3) ?
I may need to change the angle or the radius of the arcs at some point, so how can I keep them adjustable?

#6399
Xaveer
Moderator

Dear caspian1360,

Are you looking for something like this?

```import nazca as nd

length_box = 4
width = 3
lay = 1
angle = 60

wg = nd.strt(length=length_box, width=width, layer=lay).put(length_box / 2, 0, 0)

# Or, directly using chain connections:
lay = 2
nd.strt(length=length_box, width=width, layer=lay).put()

nd.export_gds()
```

If your structures need more properties (e.g. additional layers, default width and radius, etc.), find out more about cross sections and interconnects. Some tutorials will be useful, e.g. https://nazca-design.org/make_a_cell_put_a_cell/.

Xaveer

#6401
caspian1360
Participant

Dear Xaveer

What you have done is almost similar to what I have in mind, but I want the arc on the right side of the waveguide facing down rather than up(same as the left side arc).

In other words, both arcs on both sides and the waveguide in the middle all together create a structure approximately like this:∩ (upside down u shape figure)?

Regards

Caspian

#6407
Xaveer
Moderator

Dear Caspian,

Have a look what happens if you change the sign of the angle of the bends.

And spend some time going through the tutorials and the other documentation: https://nazca-design.org/manual/getting_started.html would be a good place to start!

Xaveer

#6409
caspian1360
Participant

Dear Sir

Once again thank you for your response.

What about having a waveguide in the middle and two tapers on both sides instead of the arcs and trying to bend the tapers to create the same figure?

It is what I’m really looking for

Many thanks

Caspian

#6414
Xaveer
Moderator

Dear Caspian,

Please have a look at the forum https://nazca-design.org/forums/topic/bending/ for an answer to a similar question.

Xaveer

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