Sven-Erik Ferm

Tekniker at Onsala Space Observatory

Sven-Erik has worked at Chalmers since 1995 and manufactures most of the details that the researchers at GARD use in their research. He uses CNC-controlled milling machines and lathes since there are small details which requires much accuracy in measurement to be made.

Source: chalmers.se
Image of Sven-Erik Ferm

Showing 32 publications

2024

A Broad-Band Dual-Polarization All-Metal Dichroic Filter for Cryogenic Applications in Sub-THz Range

Daniel Montofre, Denis Meledin, Cristian Daniel López et al
IEEE Transactions on Terahertz Science and Technology. Vol. 14 (2)
Journal article
2024

Setup for Measurement and Characterization of Cryogenic Low-Noise Receivers

Magnus Strandberg, Erik Sundin, Leif Helldner et al
2024 4th URSI Atlantic Radio Science Meeting, AT-RASC 2024
Paper in proceeding
2024

Wideband OMT for the 210-373 GHz Band With Built-in 90? Waveguide Twist

Igor Lapkin, Cristian Daniel López, Denis Meledin et al
IEEE Transactions on Terahertz Science and Technology
Journal article
2024

Novel Orthomode Transducer Scalable to Terahertz Frequencies

Nils Patriksson, Denis Meledin, Igor Lapkin et al
2024 4th URSI Atlantic Radio Science Meeting, AT-RASC 2024
Paper in proceeding
2023

Beyond-Decade Ultrawideband Quad-Ridge Flared Horn With Dielectric Load From 1 to 20 GHz

Jonas Flygare, Jian Yang, Alexander W. Pollak et al
IEEE Transactions on Antennas and Propagation. Vol. 71 (3), p. 2110-2125
Journal article
2023

Vacuum-Seal Waveguide Feedthrough for Extended W-Band 67-116 GHz

Igor Lapkin, Cristian Daniel López, Mathias Fredrixon et al
IEEE Journal of Microwaves. Vol. 3 (3), p. 1014-1018
Journal article
2023

SEPIA345: a dual polarization 2SB cartridge receiver for APEX telescope: Design and Performance

Denis Meledin, Igor Lapkin, Sven-Erik Ferm et al
Proceedings of the 32nd IEEE International Symposium on Space THz Technology
Paper in proceeding
2022

ALMA Band 2 Cold Cartridge Assembly Design

Victor Belitsky, Igor Lapkin, Mathias Fredrixon et al
32nd International Symposium of Space Terahertz Technology, ISSTT 2022
Paper in proceeding
2022

SEPIA345: a dual polarization 2SB cartridge receiver for APEX telescope: Design and Performance

Denis Meledin, Igor Lapkin, Sven-Erik Ferm et al
32nd International Symposium of Space Terahertz Technology, ISSTT 2022
Paper in proceeding
2022

ALMA Band 2 Receiver Automated Test System

J. Barkhof, R. Hesper, S. Realini et al
32nd International Symposium of Space Terahertz Technology, ISSTT 2022
Paper in proceeding
2022

SEPIA345: A 345 GHz dual polarization heterodyne receiver channel for SEPIA at the APEX telescope

Denis Meledin, Igor Lapkin, Mathias Fredrixon et al
Astronomy and Astrophysics. Vol. 668
Journal article
2019

New optics for SEPIA- Heterodyne facility instrument for the APEX telescope

Igor Lapkin, Sven-Erik Ferm, Mathias Fredrixon et al
ISSTT 2019 - 30th International Symposium on Space Terahertz Technology, Proceedings Book, p. 150-154
Paper in proceeding
2018

ALMA Band 5 receiver cartridge: Design, performance, and commissioning

Victor Belitsky, Maria Bylund, Vincent Desmaris et al
Astronomy and Astrophysics. Vol. 611
Journal article
2018

SEPIA - A new single pixel receiver at the APEX telescope

Victor Belitsky, Igor Lapkin, Mathias Fredrixon et al
Astronomy and Astrophysics. Vol. 612
Journal article
2016

Broken-step Phenomenon in SIS Mixers

Andrey Ermakov, Victor Belitsky, Parisa Yadranjee Aghdam et al
27th International Symposium on Space Terahertz Technology, ISSTT 2016, Nanjing, China
Paper in proceeding
2015

A new 3 mm band receiver for the Onsala 20 m antenna

Victor Belitsky, Igor Lapkin, Mathias Fredrixon et al
Astronomy and Astrophysics. Vol. 580
Journal article
2014

Dual Band MM-Wave Receiver for Onsala 20 m Antenna

Igor Lapkin, Mathias Fredrixon, Erik Sundin et al
Proceedings of the TWENTY-FIFTH INTERNATIONAL SYMPOSIUM ON SPACE TERAHERTZ TECHNOLOGY, April 27-30, 2014, Moscow, Russia, p. 132-
Paper in proceeding
2012

Performance of the First ALMA Band 5 Production Cartridge

Bhushan Billade, Olle Nyström, Denis Meledin et al
IEEE Transactions on Terahertz Science and Technology. Vol. 2 (2), p. 208-214
Journal article
2011

Performance of the first ALMA Band 5 production cartridge

Bhushan Billade, Olle Nyström, Denis Meledin et al
Proceedings of the 22nd International Symposium on Space Terahertz Technology, April 26-28th, 2011 - Tucson, Arizona, USA, p. 56-56
Paper in proceeding
2010

Design and performance of ALMA band 5 receiver cartridge

Victor Belitsky, Bhushan Billade, Vincent Desmaris et al
35th International Conference on Infrared Millimeter and Terahertz Waves (IRMMW-THz), 2010, p. 1-2
Paper in proceeding
2010

Advanced Technologies for Radio Astronomy Instrumentation

Victor Belitsky, Bhushan Billade, Vincent Desmaris et al
Osservatorio Astronomico di Roma
Conference poster
2010

Design and Performance of ALMA Band 5 Receiver Components

Bhushan Billade, Igor Lapkin, Olle Nyström et al
Osservatorio Astronomico di Roma
Conference poster
2009

Terahertz Instrumentation For Radio Astronomy

Victor Belitsky, Bhushan Billade, Vincent Desmaris et al
International Symposium on Terahertz Science and Technology between Japan and Sweden, p. 28-29
Other conference contribution
2009

Analysis, Simulation and Design of Cryogenic Systems for ALMA Band 5 Prototype Cartridge

Magnus Strandberg, Igor Lapkin, Victor Belitsky et al
Proceedings of the 20TH INTERNATIONAL SYMPOSIUM ON SPACE TERAHERTZ TECHNOLOGY, Charlottesville, VA, USA, April 20-22, 2009, p. 307-310
Paper in proceeding
2009

Optics Design and Verificatgion for the APEX Swedish Heterodyne Facility Instrument (SHeFI)

Olle Nyström, Igor Lapkin, Vincent Desmaris et al
Journal of Infrared, Millimeter, and Terahertz Waves. Vol. 30 (7), p. 746-761
Journal article
2009

Prototype ALMA Band 5 Cartridge:Design and Performance

Victor Belitsky, Igor Lapkin, Bhushan Billade et al
Proceedings of the 20TH INTERNATIONAL SYMPOSIUM ON SPACE TERAHERTZ TECHNOLOGY, Charlottesville, VA, USA, April 20-22, 2009, s. 2-5
Paper in proceeding
2008

A Swedish heterodyne facility instrument for the APEX telescope

Vessen Vassilev, Denis Meledin, Igor Lapkin et al
Astronomy and Astrophysics. Vol. 490 (3), p. 1157-1163
Journal article
2008

Optics Design and Verification for the APEX Swedish Heterodyne Facility Instrument (SHeFI)

Igor Lapkin, Olle Nyström, Vincent Desmaris et al
In Proceedings of The 19th International Symposium on Space Terahertz Technology, Groningen, 28-30 April, 2008, ed. W. Wild, Space Research Organization of the Netherlands (SRON). Vol. Part I, p. 351-357
Paper in proceeding
2008

APEX Band T2: A 1.25 – 1.39 THz Waveguide Balanced HEB Receiver

Denis Meledin, Vincent Desmaris, Sven-Erik Ferm et al
Proceedings of The 19th International Symposium on Space Terahertz Technology, Groningen, 28-30 April, 2008, ed. W. Wild, Space Research Organization of the Netherlands (SRON). Vol. part I, p. 162-166
Paper in proceeding
2007

Facility Heterodyne Receiver for the Atacama Pathfinder Experiment Telescope

Victor Belitsky, Igor Lapkin, Vessen Vassilev et al
Proceedings of Joint 32nd International Conference on Infrared Millimeter Waves and 15th International conference on Terahertz Electronics, Sept 3-7, 2007, City Hall, Cardiff, Wales, UK, p. 326-328
Paper in proceeding
2006

A 0.8 mm heterodyne facility receiver for the APEX telescope

Christophe Risacher, Vessen Vassilev, Raquel Monje et al
Astronomy & Astrophysics. Vol. 454, p. L17-L20
Journal article
2006

A 279-381 GHz SIS Receiver for the APEX Telescope

C. Risacher, Victor Belitsky, Igor Lapkin et al
Proceedings of the 16th International Symposium on Space Terahertz Technology, Chalmers University of Technology, Gothenburg, Sweden, May 2-4, 2005, p. 432-437
Other conference contribution

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