Equilateral Prisms

Both Laser Quality and Analytical Quality Equilateral Prisms designated as LQ (Laser Quality) and AQ (Analytical Quality) are available in BK7* Glass.  Equilateral Prisms are a dispersing type of prism typically used for wavelength separation applications.  The three sides of the prism are of equal length.  A light ray is twice refracted passing through the prism with total deviation a function of prism material index of refraction, and hence wavelength.

For more information about Prisms, refer to our Optics Tutorial page.







SPECIFICATIONS

Material : BK7* Glass      

Size Tolerance: ± 0.25mm

Angle Tolerance: LQ = ±3 arc minutes

                         AQ = ± 10 arc minutes    

Surface Figure:  LQ = l/10 @ 633 nm nominal

                        AQ = ~1l @ 633 nm nominal                      

Surface Finish:   LQ = 20-10 both surfaces

                         AQ = 60-40 both surfaces

Clear aperture: central 80% 

Chamfer: ~ 0.30mm @45 deg.


(LQ = Laser Quality / AQ = Analytical Quality)

All dimensions in mm  

 

 

 

 

 

 

 

 





                          

SIZE  'L' x 'L' (mm)

QUALITY

PRODUCT #

PRICE

 

ORDER

25.0                 

Laser Quality Prism

LQB250EP

$280.00

 LQB250EP

25.0                 

Analytical Quality Prism

AQB250EP

               $115.00

 AQB250EP

30.0                 

Laser Quality Prism

LQB300EP

$285.00

 LQB300EP

30.0                 

Analytical Quality Prism

AQB300EP

$125.00

 AQB300EP

40.0                 

Laser Quality Prism

LQB400EP

$330.00

 LQB400EP

40.0                 

Analytical Quality Prism

AQB400EP

$155.00

 AQB400EP

45.0                 

Laser Quality Prism

LQB450EP

$350.00

 LQB450EP

45.0                 

Analytical Quality Prism

AQB450EP

$195.00

 AQB450EP

50.0                 

Laser Quality Prism

LQB500EP

$435.00

 LQB500EP

50.0                 

Analytical Quality Prism

AQB500EP

$225.00

 AQB500EP

60.0

Laser Quality Prism

LQB600EP

$490.00

 LQB600EP

                                                                               

          *Other optical materials such as SF10 and UV grade Fused Silica are available
 

             · AR Coatings for all Equilateral Prisms are available ONLY by special Request

            

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