YAG Laser Scan Lens (f-theta lens)

YAG Laser Scan Lenses (f-theta Lenses)


Scan lens	Three-element lens

There are 4 types of outlines as follows:

Fig. 1 Fig. 2

Fig. 3 Fig. 4

Description of part Number: STY-xxxx-yyy-zzz-A

STY--- STY series YAG laser f-theta lenses

xxxx-- laser wavelength, 1064 means 1064nm, 10.6 means 10.6um.

yyy---- mark field, yyy x yyy mm

zzz---- effective focal length in mm

A------ others

(1) 1064nm Scan Lenses

Model	F.L. mm	WD mm	Scan area mm	Scan Angle θmax	E.P. mm	Spot µm	D1 mm	D2 mm	Screw	Outline
STY-1064-35-63	63	58	Φ50/35x35	±22º	12	10	31	90	M85×1	Fig. 1
STY-1064-50-80	80	91.6	Φ70/50×50	±22º	12	12	31	90	M85×1	Fig. 1
STY-1064-55-80	80	83	Φ78/55×55	±25º	20	15	42	90	M85×1	Fig. 1
STY-1064-62-100	100	107	Φ87/62×62	±25º	12	14	33	90	M85×1	Fig. 1
STY-1064-70-100	100	107	Φ100/70×70	±25º	16	10	40	90	M85×1	Fig. 1
STY-1064-85-130	130	145	Φ120/85×85	±25º	12	14	35	90	M85×1	Fig. 1
STY-1064-102-150	150	165	Φ144/102×102	±28º	12	18	36	90	M85x1	Fig. 1
STY-1064-110-160	160	180	Φ155/110×110	±28º	12	18	36	90	M85×1	Fig. 1
STY-1064-110-160-B	160	180	Φ155/110×110	±28	16	18	40	90	M85×1	Fig. 1
STY-1064-110-160-C	160	180	Φ155/110×110	±28	20	18	52	120	M85×1	Fig. 2
STY-1064-117-170	170	191	Φ165/117×117	±28º	16	18	38	90	M85×1	Fig. 1
STY-1064-130-188	188	212	Φ185/130×130	±28º	14	18	36	90	M85×1	Fig. 1
STY-1064-145-210	210	236	Φ205/145×145	±28º	16	18	36	90	M85×1	Fig. 1
STY-1064-151-215	215	240	151×151	±28.5º	16	18	38	90	M85×1	Fig. 1
STY-1064-156-215	215	240	156x156	±29.5º	16	18	38	90	M85×1	Fig. 1
STY-1064-175-254	254	288	Φ245/1751×75	±28º	16	20	36	90	M85×1	Fig. 1
STY-1064-175-254-B	254	274	Φ245/175×175	±28º	20	20	52	120	M85×1	Fig. 2
STY-1064-205-290	290	327	Φ290/205×205	±28º	16	20	38	90	M85×1	Fig. 2
STY-1064-230-330	330	363	Φ330/230×230	±28º	16	20	38	90	M85×1	Fig. 2
STY-1064-255-370	370	430	Φ360/255×255	±28º	20	20	52	120	M85×1	Fig. 2
STY-1064-255-380	380	420	Φ360/255×255	±28º	16	20	38	90	M85×1	Fig. 1
STY-1064-286-420	420	456	Φ405/286×286	±28º	20	20	52	120	M85×1	Fig. 2
STY-1064-300-430	430	477	Φ425/300×300	±28º	20	20	52	120	M85×1	Fig. 2
STY-1064-360-525	525	606	Φ510/360×360	±28º	20	30	52	120	M85×1	Fig. 2
STY-1064-420-590	590	650	Φ595/420×420	±28º	20	25	52	140	M95×1	Fig. 2
STY-1064-430-610	610	670	Φ610/430×430	±28º	20	25	52	140	M95×1	Fig. 2
STY-1064-450-650	650	736	Φ636/450×450	±28º	20	30	52	120	M85×1	Fig. 2

F.L.=focal length; EP=entrance pupil; AD=aperture distance; FD=flange distance; WD=working distance.
spot: it is theoretical optical limit.

(2) 532nm Scan Lenses

Model	F.L. mm	WD mm	Scan area mm	Scan Angle θmax	E.P. mm	Spot µm	D1 mm	D2 mm	Screw	Out- line
STY-532-35-63	63	58	Φ50/35x35	±22º	12	10	31	90	M85×1	Fig.1
STY-532-50-80	80	91.6	Φ70/50×50	±22º	12	12	31	90	M85×1	Fig.1
STY-532-62-100	100	107	Φ87/62×62	±25º	12	14	33	90	M85×1	Fig.1
StY-532-74-120	120	132	Φ105/74×74	±25º	12	14	35	90	M85×1	Fig.1
STY-532-110-160	160	180	Φ155/110×110	±28º	16	15	36	90	M85×1	Fig.1

Part No.	EFL (mm)	Scan Angle (±°)	Scan Length (mm)	Scan Field (mm)	Ent. pupil (mm)	Average spot size (um)	Length (mm)	WD (mm)	Screw Thread
SL-532-70-100	100	25°	87.0	70x70	14.0	12.0	50.0	100.0	M85x1
SL-532-90-120	120	25°	102.0	90x90	8.0	10.8	38.85	134.0	M85x1
SL-532-100-162	162	23°	132.9	100x100	7.0	-	25.2	183.4	M39/M55
SL-532-115-165	165	20°	163.0	115x115	10.0	18.5	48.0	186.0	M85x1
SL-532-148-233	234	26°	211.0	148x148	10.0	-	55.3	282.0	M85x1
SL-532-150-254	254	25°	220.0	150x150	10.0	21.5	51.0	280.0	M85x1
SL-532-225-410	410	25°	366.0	225x225	15.0	15.0	48.94	443.7	M85x1
SL-532-350-508	508	25°	500.0	350x350	16.0	15.0	57.0	581.0	M85x1
SL-532-510-740	740	20°	721.0	510x510	16.0	18.5	65.0	896.5	M85x1
SL-532-550-768	768	28°	710.0	550x550	16.0	24.0	58.0	839.0	M102x1

(3) 355nm Scan Lenses

Model	F.L. mm	WD mm	Scan area mm (round/square)	Scan Angle maxi	E.P. mm	Spot µm	D1 mm	D2 mm	Screw	Out-line
STY-355-70-100	100	122	Φ100/70×70	±25º	8	12	33	90	M85×1	Fig.3
STY-355-110-160	160	185	Φ155/110×110	±25º	8	15	33	90	M85×1	Fig.1
STY-355-110-160-B	160	187	Φ155/110×110	±25º	8	15	33	90	M85×1	Fig.4

CO2 Laser Scan Lenses Reference: Basics of Scan Lens