Bi-focal and negative microlens arrays in hard optical materials

E. Gu; H.W. Choi; C. Liu; I.M. Watson; J.M. Girkin; M.D. Dawson

doi:10.1109/LEOS.2004.1363260

Bi-focal and negative microlens arrays in hard optical materials

E. Gu, H.W. Choi, C. Liu, I.M. Watson, J.M. Girkin, M.D. Dawson

Research output: Chapter in Book/Report/Conference proceeding › Chapter

Abstract

Using the methods of photoresist reflow and moulding, bifocal and negative microlens arrays, with diameters down to 10 μm, have been fabricated in GaN-on-sapphire. The optical properties of these microlens arrays were characterised by a recently developed reflection/transmission confocal microscopy technique and agree well with calculated values.

Original language	English
Title of host publication	Lasers and Electro-Optics Society, 2004. LEOS 2004
Publisher	IEEE
Pages	360-361
Number of pages	1
Volume	1
ISBN (Print)	9780780385573
DOIs	https://doi.org/10.1109/LEOS.2004.1363260
Publication status	Published - 11 Nov 2004

Keywords

gallium compounds
microlenses
moulding
optical arrays
optical fabrication
optical materials
photoresists
wide band gap semiconductors

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10.1109/LEOS.2004.1363260

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abstract = "Using the methods of photoresist reflow and moulding, bifocal and negative microlens arrays, with diameters down to 10 μm, have been fabricated in GaN-on-sapphire. The optical properties of these microlens arrays were characterised by a recently developed reflection/transmission confocal microscopy technique and agree well with calculated values.",

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T1 - Bi-focal and negative microlens arrays in hard optical materials

AU - Gu, E.

AU - Choi, H.W.

AU - Liu, C.

AU - Watson, I.M.

AU - Girkin, J.M.

AU - Dawson, M.D.

PY - 2004/11/11

Y1 - 2004/11/11

N2 - Using the methods of photoresist reflow and moulding, bifocal and negative microlens arrays, with diameters down to 10 μm, have been fabricated in GaN-on-sapphire. The optical properties of these microlens arrays were characterised by a recently developed reflection/transmission confocal microscopy technique and agree well with calculated values.

AB - Using the methods of photoresist reflow and moulding, bifocal and negative microlens arrays, with diameters down to 10 μm, have been fabricated in GaN-on-sapphire. The optical properties of these microlens arrays were characterised by a recently developed reflection/transmission confocal microscopy technique and agree well with calculated values.

KW - gallium compounds

KW - microlenses

KW - moulding

KW - optical arrays

KW - optical fabrication

KW - optical materials

KW - photoresists

KW - wide band gap semiconductors

UR - http://dx.doi.org/10.1109/LEOS.2004.1363260

U2 - 10.1109/LEOS.2004.1363260

DO - 10.1109/LEOS.2004.1363260

M3 - Chapter

SN - 9780780385573

VL - 1

SP - 360

EP - 361

BT - Lasers and Electro-Optics Society, 2004. LEOS 2004

PB - IEEE

ER -

Bi-focal and negative microlens arrays in hard optical materials

Abstract

Keywords

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