YAG Laser Focusing Lenses

  • Update:Jun 13, 2017
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Single-element focusing lens is a convex lens and coated at 1064nm or 532nm. Multi-element focusing lens consists of a few lenses to obtain better image quality and smaller focused beam diameters.

Product Introduction

Single-element Focusing Lens

Description of Part Number: FL-XXXX-F-D-T-EN-MN-YY

FL: single-element focusing lens

XXXX: laser wavelength, 1064nm.

F: focal length, mm

D: lens diameter, mm

T: lens edge thickness, mm

EN: Dimension unit is in inch (If there is no EN, it means metric unit in mm)

MN: lens shape, MN means menicus, no MN means plano-convex,

YY: others such as CC, UO, JS etc.

Coating: di-electric coating at 1064nm.

Part number wavelength nm Focal length mm Dia. mm Thickness mm
FL-1064-F14-D20-T2.3 1064 14 20 2.3
FL-1064-F24-D24-T2.1 1064 24 24 2.1
FL-1064-F30-D20-T2.3 1064 30 20 2.3
FL-1064-F35-D22-T2.3 1064 35 22 2.3
FL-1064-F37-D27-T2.5 1064 37 27 2.5
FL-1064-F54-D22-T2.7 1064 54 22 2.7
FL-1064-F54-D28-T3.0 1064 54 28 3.0
FL-1064-F55-D25 1064 55 25  
FL-1064-F55-D31-T2.6 1064 55 31 2.6
FL-1064-F57-D27-T2.6 1064 57 27 2.3
FL-1064-F60-D23-T2.1 1064 60 23 2.1
FL-1064-F67-D23-T2.1 1064 67 23 2.1
FL-1064-F69-D23-T2.1 1064 69 23 2.1
FL-1064-F69-D24-T2.2 1064 69 24 2.2
FL-1064-F69-D31-T2.4 1064 69 31 2.4
FL-1064-F72-D36-T1.5 1064 72 36 1.5
FL-1064-F73-D36-T1.6 1064 73 36 1.6
FL-1064-F73-D35-T2.3 1064 73 36 2.3
FL-1064-F75-D25-T3 1064 75 25 3.0
FL-1064-F75-D30 1064 75 30  
FL-1064-F75-D32-T3.0 1064 75 32 3.0
FL-1064-F79-D22-T3.5 1064 79 22 3.5
FL-1064-F79-D28-T3.0 1064 79 28 3.0
FL-1064-F79-D34-T2.5 1064 79 34 2.5
FL-1064-F80-D25-T2.3 1064 80 25 2.3
FL-1064-F80-D50-T2.7 1064 80 50 2.7
FL-1064-F81-D50-T2.7 1064 81 50 2.7
FL-1064-F82-D36-T2.4 1064 82 36 2.4
FL-1064-F83-D23-T2.1 1064 83 23 2.1
FL-1064-F85-D31-T2.1 1064 85 31 2.1
FL-1064-F86-D23-T2.3 1064 86 23 2.3
FL-1064-F87-D23-T4.5 1064 87 23 4.5
FL-1064-F87-D25-T4.2 1064 87 25 4.2
FL-1064-F87-D31-T3.2 1064 87 31 3.2
FL-1064-F87-D36-T2.2 1064 87 36 2.2
FL-1064-F88-D48-T2.3 1064 88 48 2.3
FL-1064-F90-D31-T2.3 1064 90 31 2.3
FL-1064-F99-D36-T2.5 1064 99 36 2.5
FL-1064-F100-D25-T3 1064 100 25 3.0
FL-1064-F100-D31-T2.5 1064 100 31 2.5
FL-1064-F104-D35-T2.3 1064 104 35 2.3
FL-1064-F108-D35-T2.9 1064 108 35 2.9
FL-1064-F120-D31-T2.3 1064 120 31 2.3
FL-1064-F124-D22-T4.0 1064 124 22 4.0
FL-1064-F124-D27-T3.6 1064 124 27 3.6
FL-1064-F124-D48-T3.0 1064 124 48 3.0
FL-1064-F126-D53-T3.0 1064 126 53 3.0
FL-1064-F127-D25-T2.3 1064 127 25 2.3
FL-1064-F150-D40-T5.5 1064 150 40 5.5
FL-1064-F155-D27-T3.4 1064 155 27 3.4
FL-1064-F200-D20-T2.5 1064 200 20 2.5
FL-1064-F200-D25-T2.5 1064 200 25 2.5
FL-1064-F250-D25-T2.5 1064 250 25 2.5
FL-1064-F833-D24-T2.1 1064 833 24 2.1

532nm Coating is also available for above dimensions and thus the part number will be FL-532-xxx.

Multi-element Focusing Lenses

Multi-element focusing lens consists of a few lenses to obtain better image quality and smaller focused beam diameters. It is mainly used in laser scribing, engraving, laser XY-moving markin, laser welding etc.

Part number description: FLM-xxxx-F-N-D-yy

FLM: multi-element focusing lens

Xxxx: laser wavelength, 1064nm, 532nm, 10.6um etc.

F: focal length, mm

N: number of lenses

D: outside diameter, mm

yy: others

Part number WL nm FL mm Aperture mm Diffraction Spot, um WD mm D mm Connection M
LFM-1064-N3-F78-D60-TK 1064 78 43 11 64.7 60 M56×1
LFM-1064-F80-D60-TK 1064 80 40 4 69.5 60 M56×1
LFM-1064-N3-F62-D60-TK 1064 62 43 10 46.7 60 M56×1
LFM-532-N3-F75-D60-TK 532 74 43 12 60.7 60 M56×1
LFM-532-N5-F80-D60-TK 532 80 40 10 49.5 60 M56×1
LFM-532-F80-D60-TK 532 80 40 10 64.5 60 M56×1
LFM-355-N3-F45-D32-TK 355 45 15 8 37.3 32 M30×0.75
LFM-355-N3-F60-D32-TK 355 60 22 8 52.4 32 M30×0.75

WL: wavelength; FL: focal length; WD: working distance; D: outside diameter.

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