List of Articles Higher order modes Open Access Article Abstract Page Full-Text 1 - The impact of higher order modes on transverse mode instability in bent optical fiber amplifiers Sajjad Vazeerpour Mahdi Shayganmanesh Davoud Dorranian 10.30495/jtap.162215 Open Access Article Abstract Page Full-Text 2 - Study on higher order azimuthally polarized Laguerre–Gaussian mode beams with high NA lens K. Lalithambigai P. M. Anbarasan K. B. Rajesh 10.1007/s40094-014-0134-8