Geltech Aspheric Lenses for Blue, Green, Red Lasers

[lasertack]

Hi!

For sale are Lightpath´s GELTECH aspheric lenses with the A coating (350-700nm). Suitable for all laser diodes within the coating range.

Lightpath´s Lens Code:357775

NA = 0.60
CA = 4.80mm
EFL= 4.02mm
OD = 6.33mm
WD= 2.41mm
DW= 408nm
AR = 350-700nm
Thread = M9x0.5
Length = 8mm

Price: 15€ each plus 5% PayPal fee and shipping. (EU customers need to add 19%VAT)

[JRGixxerfreaK1]

Hallo!

What are the % losses on these lenses ?

[lasertack]

Hi Philipp!

Depends on the wavelength but not more than 4-5% overall losses (transmitance and reflectance losses together).

Alex

[lasertack]

Here is a beam profile testing report for the Geltech lens used to collimate a 9mm 445nm diode.