#  Pictures 

 



### **2026**

- Jun - Demonstration of a Printed-Circuit-Board Penning Trap! <https://arxiv.org/abs/2606.28078>

   ![planarTrap](/sites/g/files/omnuum12126/files/styles/hwp_1_1__720x720_scale/public/2026-06/PlanarTrapDesign%20copy.png?itok=GnL324AV) 

 

- Jun - Demonstration of a Spherical Penning trap! <https://arxiv.org/abs/2606.03639>

   ![sphericalTrap](/sites/g/files/omnuum12126/files/styles/hwp_1_1__720x720_scale/public/2026-06/TrapDesign%20copy.png?itok=0CPk0P4b) 

 

   ![microwaveSpherical](/sites/g/files/omnuum12126/files/styles/hwp_1_1__720x720_scale/public/2026-06/full_spec%20%282%29.png?itok=InoWpI90) 

 

- May - fumehood for radioactive targets...

   ![fumehood](/sites/g/files/omnuum12126/files/styles/hwp_1_1__720x720_scale/public/2026-05/S__2146457.jpg?itok=BNY0bfwT) 

 

- Apr - First dry superconducting magnet! (JASTEC)

   ![DryMagnet](/sites/g/files/omnuum12126/files/styles/hwp_1_1__720x720_scale/public/2026-04/IMG_8095.jpg?itok=bUbMwMhC) 

 

- Apr - First trapped 232Th+ ions!

   ![ThSignal](/sites/g/files/omnuum12126/files/styles/hwp_1_1__720x720_scale/public/2026-04/THoriumsingla_0.png?itok=JE7yR8IL) 

 

- Feb - First trapped electrons! ^v^

   ![electronDip](/sites/g/files/omnuum12126/files/styles/hwp_1_1__720x720_scale/public/2026-02/IMG_76042.png?itok=WLowMnTA) 

 

- Feb - First trapped ions! (Hf+)

   ![firstion](/sites/g/files/omnuum12126/files/styles/hwp_1_1__720x720_scale/public/2026-02/FirstIon%20copy.png?itok=-_uMTeBb) 

 

- Feb - Dilution Refrigerator! (Bluefors)

   ![DR](/sites/g/files/omnuum12126/files/styles/hwp_1_1__720x720_scale/public/2026-02/IMG_7421.jpg?itok=A_zl9if4) 

 

- Jan - First ion signal! (Cs+ beam)

   ![First Ion](/sites/g/files/omnuum12126/files/styles/hwp_1_1__720x720_scale/public/2026-01/FirstIon.png?itok=RFFs9lfa) 

 

- Jan - First Paul trap!

   ![First Ion trap](/sites/g/files/omnuum12126/files/styles/hwp_1_1__720x720_scale/public/2026-01/Image%20%2871%29%20copy.jpg?itok=zO5MdKNN) 

 

### **2025**

- Nov - Pulse-tube cryocoolers (JASTEC Inc.) installed!

   ![pt_1](/sites/g/files/omnuum12126/files/styles/hwp_1_1__720x720_scale/public/2025-12/IMG_6573%20copy.jpg?itok=mYC0KDfc) 

 

- Oct - Things are coming...

   ![laserroom1](/sites/g/files/omnuum12126/files/styles/hwp_1_1__720x720_scale/public/2025-12/IMG_6433.jpg?itok=4wSEwtZg) 

 

- Oct - [2nd HQI-FQSP joint workshop on quantum science](https://hqifqsp.hsites.harvard.edu/)

   ![Harvard-RIEKN_Workshop_Poster](/sites/g/files/omnuum12126/files/styles/hwp_1_1__720x720_scale/public/2025-09/Harvard-RIEKN_Workshop_Poster_Final.png?itok=70KBcvpl) 

 

- Aug - Optics tables installed.

   ![ready lab](/sites/g/files/omnuum12126/files/styles/hwp_1_1__720x720_scale/public/2025-08/Image%20%2830%29.jpeg?itok=mrbrxHy0) 

 

- July - Penning trap with an upgraded function (will be demonstrated soon).

   ![pt2023](/sites/g/files/omnuum12126/files/styles/hwp_1_1__360x360_scale/public/2025-08/PT2023_0.png?itok=MX5mNf6l) 

 


### **2024**

- Oct - [Octupole workshop!](https://jdoyle.hsites.harvard.edu/workshop-2024-Octupole-deformed-nuclei)

   ![OctupoleWorkshop](/sites/g/files/omnuum12126/files/styles/hwp_1_1__720x720_scale/public/2025-08/IMG_5051%20%281%29.JPG?itok=ElzRfexs) 

 

- Sep - "The standard" titanium vacuum chamber for Penning traps.

   ![vacuum chamber](/sites/g/files/omnuum12126/files/styles/hwp_1_1__360x360_scale/public/2025-08/can.png?itok=b83bmkR_) 

 

- Sep - The Penning trap used in [the 2023 electron's magnetic moment measurement](https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.130.071801).

   ![PT 2023](/sites/g/files/omnuum12126/files/styles/hwp_1_1__360x360_scale/public/2025-08/media222.png?itok=_0QxvFgg)