Wavelength Technology

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RONAR-SMITH® LASER OPTICS & IR IMAGING

Penta Prism 

Penta Prism has 90¡ã deviation angle independent of the orientation of the prism. This will benefit for applications in which prism orientation can not be controlled precisely. The reflecting surfaces must be coated with metallic or dielectric coating due to the geometry. The standard Penta Prism reflecting surfaces are coated with aluminum or enhanced aluminum. Sometimes, the coated surfaces are with black painting.
Specifications
Material: BK7 Grade A or equivalent optical glass
Dimension Tolerance:¡À0.25mm
90¡ã Deviation Tolerance:
Standard series: < 30 arc seconds
Precision series: up to 10 arc seconds 
Flatness: 
Standard series: l/2 at 632.8 nm
Precision series: up to l/4 at 632.8 nm
Reflectivity: R > 95% per face from 630 to 680 nm
Surface Quality: 60-40 scratch and dig
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1 min. deviation

30 sec. deviation

10 sec. deviation

A x h(mm)

Part No.

Part No.

Part No.

7 x 6

PP-7X6-DEV60

PP-7X6-DEV30

PP-7X6-DEV10

10 x 10

PP-10X10-DEV60

PP-10X10-DEV30

PP-10X10-DEV10

15 x 15

PP15x15-DEV60

PP-15x15-DEV30

PP-15x15-DEV10

20 x 20

PP20x20-DEV60

PP-20x20-DEV30

PP-20x20-DEV10


Precision Penta Prism
Precision Penta Prism is a standard Penta Prism but with wedge added. It is often used in Plumb Level, Surveying, Alignment, Range-Finding and Optical Tooling.
Specifications
Material: BK7 Grade A or equvialent optical glass
Dimension Tolerance:¡À0.25mm
90 Deviation Tolerance:
Precision series: up to 2 arc seconds 
Flatness: 
Precision series: l/4 at 632.8 nm
Reflectivity: R > 95% per face from 630 to 680 nm
Surface Quality: 60-40 scratch and dig

 

2.5 sec. deviation

A x h(mm)

Part no.

18 x 18

PP-18X18-DEV2.5

Beamsplitter Penta Prism
Beamsplitter Penta Prism is a standard Penta Prism but with wedge and partial reflective coating on surfaces S1 added. Transmission/reflection(T/R) ratio of 20/80, 50/50 or others for Beamsplitter Penta Prism is available upon request. 
Specifications
Material: BK7 Grade A or equvialent optical glass
Dimension (h) Tolerance:¡À0.1mm
Dimension (A) Tolerance:¡À0.2mm
90¡ã , 180¡ãDeviation Tolerance:
Standard series: < 30 arc seconds
Precision series: up to 15 arc seconds
Flatness:
Standard series: l/2 at 632.8 nm
Precision series: up to l/4 at 632.8 nm
Surface Quality :60-40 scratch and dig 
Beamsplitter Ratio Transmission/Reflection: @630-680nm, T/R:20/80¡À5

 

1 min. deviation

30 sec. deviation

15 sec. deviation

A x h(mm)

Part no.

Part no.

Part no.

7 x 6

PP-7X6-DEV60-SP

PP-7X6-DEV30-SP

PP-7X6-DEV15-SP

10 x 10

PP-10x10-DEV60-SP

PP-10x10-DEV30-SP

PP-10x10-DEV15-SP

15 x 15

PP-15x15-DEV60-SP

PP-15x15-DEV30-SP

PP-15x15-DEV15-SP

20 x 20

PP-20x20-DEV60-SP

PP-20x20-DEV30-SP

PP-20x20-DEV15-SP

Precision Beamsplitter Penta Prism 
By adding a wedge and with partial refractive coating on surfaces S1, it can be used as a beamsplitter. The other wedge can increase precision of right angle beam. It is often used in Plumb Level, Surveying, Alignment, Range-Finding and Optical Tooling. 
Specifications
Material: BK7 Grade A or equvialent optical glass
Dimension (h) Tolerance:¡À0.25mm
90¡ã Deviation Tolerance:
Precision series: up to 2 arc seconds
180¡ã Deviation Tolerance:
Precision series: up to 4 arc seconds
Flatness:
Precision series: up to l/4 at 632.8 nm
Reflectivity: R>95% per face @633nm 
Surface Quality : 60-40 scratch and dig 
Working Wavelength : 633nm

 

2.5 sec. deviation

A x h(mm)

Part no.

18 x 18

PP-18X18-DEV2.5-SP


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