Waverider
Hardware
hyperspectral camera
SHOW HN2025
How HN took it
2 positive, 3 neutral or asking, 0 mixed, 1 critical, out of 6 comments about the project. Thread score -0.08.
Idea: 2 for, 0 againstPerformance: 0 for, 1 against
The thread, comment by comment
Each row is a top-level comment and its replies, in HN's order. Select a cell to open that comment on HN.
positive neutral or mixed critical about another commenter or something else the maker
What HN said
What people liked
Well done, thanks for sharing
From 1 comment
Well done, thanks for sharing. May I ask a stupid question? In order to speed up this process you'd need to buy more of the broadcom spectrometers which are quite expensive. So…
bflesch on HN
Objections
Scan rate is slow and limits usability
From 1 comment
The scan rate really limits the usability of this. Do you have any leads on planar sensors?
phubbard on HN
Requests
Use galvanometers instead of moving the fiber for faster scanning
From 1 comment
Super cool, have you considered using galvanometers rather than moving the fiber around? It should allow for faster scan rate (assuming the XY is the limiting factor).
juancn on HN
Explore planar sensors for single-shot capture
From 1 comment
The scan rate really limits the usability of this. Do you have any leads on planar sensors?
phubbard on HN
Questions
Can multiple fibres of different lengths share one spectrometer?
From 1 comment
Well done, thanks for sharing. May I ask a stupid question? In order to speed up this process you'd need to buy more of the broadcom spectrometers which are quite expensive. So…
bflesch on HN
Could hyperspectral imaging be used for microscopy without staining?
From 1 comment
Thanks, sorry for asking if it was answered already. Would be very interesting to do some microscopy with this approach, as the video mentions medical use cases. There's been a…
bflesch on HN
Alternatives named
Slit and diffraction grating with a 2D sensor (push broom scanning)
From 1 comment
The much faster way is to move a slit in front of a diffraction grating and use a 2D sensor behind that, that way you can obtain multiple spectral patterns simultaneously, see…
anfractuosity on HN